DaOne

Chain of custody is an important part of forensic science because it helps to ensure that evidence isn't contaminated or tampered with during the testing process. It also helps investigators to establish the origin of the evidence, since they can follow t...

2 years ago

The NOT keyword will let you omit search results. So, I think the best choice is "eliminate unwanted topics". For example: colors of the rainbow NOT purple

2 years ago

Using the ideal gas law, we can solve for the moles of O2(g) at the given conditions of 1.00 atm and 28.31 mL: PV = nRT n = PV / RT n = (1.00 atm * 28.31 mL) / (0.08206 L atm/mol K * 298 K) n = 4.47 x 10^-3 moles Since the volume of the solution remains c...

2 years ago

Counterargument: While hanging bird feeders may provide some protection from predators, they can also attract predatory animals to the area, putting the birds at greater risk. Additionally, bird feeders that are not properly maintained and cleaned can als...

2 years ago

When a compound sublimes, it goes directly from a solid state to a gaseous state without passing through a liquid state. This means that the compound would not be in a molten liquid form when it was redetermined, which could explain the lower melting poin...

2 years ago

There are many different study strategies that can help students achieve their goals in education. Some of the most effective strategies include setting specific, achievable goals, creating a portfolio to track progress, using educational technology to en...

2 years ago

The average temperature is $(28+62)/2=45$ degrees, so the temperature varies by $45-28=17$ degrees around the average temperature. The temperature first reaches 41 degrees when it is $45-(41-45)=49$ degrees, which is half a period after the average daily...

2 years ago

If Jared iced 3/4 of the cake, then 1/4 of the cake remains not iced. The stolen piece is 1/6 of the whole cake, so 1/6 of the remaining uniced cake is stolen, which is 1/6 * 1/4 = 1/24 of the whole cake. The stolen piece is 2/3 covered in icing, so 1/3 o...

2 years ago

Let $a$ be the average of all but the median test score, so $a$ is the average of the 8 lowest test scores. We have $8a + 80 = 9(85)$, so $a = 65$. The greatest possible range between the highest and lowest possible test scores is $100 - (65 - 1) = \boxed...

2 years ago

The best option for healing the widest variety of diseases would be pluripotent stem cells. These are stem cells that have the ability to differentiate into any type of cell in the body, making them versatile and able to repair damage in a wide range of t...

2 years ago

Opposing claims are statements or arguments that contradict each other. For example, one person might claim that the Earth is flat, while another person might claim that the Earth is round. These are opposing claims because they cannot both be true at the...

2 years ago

One example of an Ontario animal species whose range has shifted is the Eastern Wolf. The evidence for this shift is the increasing presence of Eastern Wolves in areas outside of their traditional range, such as in Algonquin Provincial Park and the Ottawa...

2 years ago

(a) Heat waves can occur more frequently as a consequence of climate change due to the increase in global temperatures. This can result in longer, more intense periods of heat, leading to an increased risk of heat-related illnesses and death. (b) Droughts...

2 years ago

Since the Industrial Revolution, people's lifestyles have changed in several ways. One of the most significant changes has been the increased use of technology and machines in everyday life. This has made many tasks and activities much easier and more eff...

2 years ago

A carbon source is a process or organism that releases carbon into the atmosphere, such as the burning of fossil fuels or the respiration of plants. A carbon sink is a process or organism that absorbs carbon from the atmosphere, such as the photosynthesis...

2 years ago

Newton's first law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

2 years ago

A.) The independent variable in this study is the concentration of electrolytes in the drink. B.) The dependent variable is the heart rate at 20, 40, and 60 minutes after electrolyte consumption.

2 years ago

Sectionalists focus on the interests and needs of a specific region or group, while federalists advocate for a strong central government that balances the interests of the states and the nation as a whole. Sectionalism often leads to conflict and division...

2 years ago

What are your choices?

2 years ago

Cool, but I don't think there's a question here.

2 years ago

The main difference between sectionalism and federalism is that sectionalists prioritize the interests of a particular region or group, while federalists prioritize the interests of the nation as a whole.

2 years ago

renewal/rebirth

2 years ago

First, we need to calculate the enthalpy of combustion for C4H4 and C4H8 using the given enthalpies of combustion: C4H4(g) + 5O2(g) --> 4CO2(g) + 2H2O(l) Delta H = -2341 kJ/mol C4H8(g) + 7O2(g) --> 4CO2(g) + 4H2O(l) Delta H = -2766 kJ/mol Next, we need to...

2 years ago

To calculate the magnitude of the frictional force, we need to know the distance over which the frictional force acted on the bullet. Since the bullet penetrated the tree to a depth of 4 cm, we can assume that the distance over which the frictional force...

2 years ago

Let the two-digit number be $ab$, where $a$ is the tens digit and $b$ is the ones digit. Since the cube root of $ab$ is the square root of the sum of its digits, we have [\sqrt[3]{ab} = \sqrt{a+b}]Squaring both sides, we get [\sqrt[3]{ab}^2 = \sqrt{a+b}^2...

2 years ago

Bill goes roaming in "The Pine Barrens" by John McPhee because he is a Piney, a native of the Pine Barrens region of New Jersey. As a Piney, he has a deep connection to the land and its history, and he feels a need to explore and understand it. The purpos...

2 years ago

To determine the magnitude of the net force on the fully submerged tank at the end of a dive, we need to consider the weight of the tank, the buoyant force on the tank, and the change in buoyant force as the air is used up. First, let's find the weight of...

2 years ago

The cross-sectional area of the window is the sum of the areas of the rectangle and the triangle. Thus, [A = hw + \frac{1}{2} (1.3w) T = \frac{1}{2}(1.3w) (h + T).]Since $T = 1.3w$, we can write this as [A = \frac{1}{2} (1.3w) (h + 1.3w).]Since the perime...

2 years ago

TRUE. Asexual reproduction involves only one individual, and does not require the complex process of combining genetic material from two individuals.

2 years ago

∠QTS and ∠RTS are complementary angles. Complementary angles add up to 90 degrees. In the figure, ∠QTS and ∠RTS are two of the angles formed by two lines that intersect at point T. Because angle NTS is a straight angle, the lines intersecting at point T f...

2 years ago

The rotation of Earth on its axis causes the pressure difference between the equator and the poles.

2 years ago

A. If the stick is to remain in equilibrium, the maximum value of the angle theta is the angle at which the stick would just begin to slide down the wall. This occurs when the normal force between the stick and the wall is equal to the maximum static fric...

2 years ago

I don't think there's a question here.

2 years ago

The change in kinetic energy of the cabinet is equal to the net work done on the cabinet, which is equal to the force of kinetic friction times the distance over which the force acts: $\Delta KE = F_{k}d = (87\text{ N})(1.2\text{ m}) = 104.4\text{ J}$ The...

2 years ago

kC < kA < kB Since heat is conducted from left to right, the temperature at the interface between the first and second cylinder will be higher than at the interface between the second and third cylinder. This means that the material with the highest therm...

2 years ago

A rotation by $1/6\pi$ counterclockwise about the origin is given by the matrix $$\begin{pmatrix} \cos(1/6\pi) & -\sin(1/6\pi) \ \sin(1/6\pi) & \cos(1/6\pi) \end{pmatrix} = \begin{pmatrix} \frac{\sqrt{3}}{2} & -\frac{1}{2} \ \frac{1}{2} & \frac{\sqrt{3}}{...

2 years ago

d.) a centralized system of state banks and national banks to a decentralized system of state banks The U.S. banking system transitioned from a system of state-chartered banks to a system of nationally chartered banks by the end of the 19th century.

2 years ago

In the article "Genetically Modified Salmon Can Feed the World," Yonathan Zohar argues that genetically modified (GM) salmon has the potential to provide a sustainable food source for the growing global population. Zohar highlights the benefits of GM salm...

2 years ago

It is unclear when and where Abraham Lincoln said "What kills a skunk is the publicity it gives itself." This phrase is often attributed to him, but there is no record of him actually saying it.

2 years ago

Since the rightmost digit of the product is always the rightmost digit of the multiplier, R must be 3. Then $QQQ$ must be divisible by 3, so $Q$ must be one of ${3,6,9}$. Since $QQQ$ is divisible by 9, $Q=9$. Then the leftmost digit of the product is the...

2 years ago

Since the block is at rest, the net force acting on it is zero. Therefore, the magnitudes of the reaction force and friction force are equal, each equal to the magnitude of the applied force, which is 2 N.

2 years ago

Dear Military Command, I am writing to provide a brief on the unique fighting style of the Japanese and any other issues that may be new to soldiers coming from Europe to fight in the Pacific campaign. Firstly, the Japanese have a unique fighting style th...

2 years ago

The individual implications of teenage pregnancy can include: Health risks for the mother and baby: Teenage mothers are at a higher risk of complications during pregnancy and childbirth, such as preterm labor, low birth weight, and cesarean delivery. Educ...

2 years ago

The English word that has the same sound as the Spanish letter ñ is "canyon." The ñ in Spanish is pronounced like the "ny" in "canyon."

2 years ago

See you!

2 years ago

0.956

2 years ago

The vagrancy laws had a negative effect on African Americans by allowing them to be arrested unfairly.

2 years ago

1. d. 1/6 2. c. -9 2/7 3. d. 7/8 4. b. -1 1/10 5. c. 4 2/5

2 years ago

Oops sorry, the last one is 8 4/5.

2 years ago

A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding itself. For example, 6 is a perfect number because its divisors (1, 2, and 3) add up to 6.

2 years ago

To calculate the bridge efficiency, we need to use the formula: Bridge Efficiency = (Weight of the Load / Weight of the Bridge) * 100 In this case, the bridge efficiency would be: Bridge Efficiency = (150 lbs / 0.5 lb) * 100 Bridge Efficiency = 300 * 100...

2 years ago

Thanks for sharing!

2 years ago

All of these words are correct and can be used in sentences related to animal senses. For example, "The nocturnal owl was able to orient itself in the dark forest using its keen sense of hearing." "The mobile snake was able to discern its prey by sensing...

2 years ago

We have that \begin{align*} F(r(u,v)) &= F(u \cos v, u \sin v, v) \ &= u \sin v i - u \cos v j + v^2 k. \end{align*}Thus, \begin{align*} F \cdot r_u &= (u \sin v) (\cos v) + (u \cos v) (-\sin v) + (v^2)(0) \ &= 0, \ F \cdot r_v &= (u \sin v) (-\sin v) + (...

2 years ago

First, we note that the oblique asymptote of a rational function has the form $y=mx+b$ where $m$ is the coefficient of the highest degree term of the polynomial in the numerator divided by the coefficient of the highest degree term of the polynomial in th...

2 years ago

To determine the type of lightbulb in the box, we can perform a hypothesis test. The null hypothesis is that the box contains type-A lightbulbs, and the alternative hypothesis is that the box contains type-B lightbulbs. To test the null hypothesis, we can...

2 years ago

The price that will maximize profits is $6. At a price of $6, the quantity demanded will be 400,000 CDs. The maximum profit will be $2,400,000, which is obtained by selling 400,000 CDs at a price of $6 each and incurring a fixed cost of $100,000 and a mar...

2 years ago

First, determine the maximum yield of Fe by converting the given mass of Fe3O4 to moles and using the mole ratio from the balanced chemical equation to convert to moles of Fe: 950 g Fe3O4 * (1 mol Fe3O4/231.5 g Fe3O4) = 4.10 mol Fe3O4 4.10 mol Fe3O4 * (3...

2 years ago

The temperature change of the skillet can be calculated using the equation for the heat capacity of a substance, which is $q=mc\Delta T$, where $q$ is the heat, $m$ is the mass, $c$ is the specific heat capacity, and $\Delta T$ is the temperature change....

2 years ago

To find R, you will need to use the rate law equation R=k[O2][NO2]^2. This equation states that the rate of the reaction is proportional to the concentration of O2 and the square of the concentration of NO2. To find the value of R for a specific set of da...

2 years ago

Looks like you just copied and pasted the entire assignment.

2 years ago

The student can claim that the inertia of the balls is directly proportional to their mass. This is demonstrated by the fact that the balls with greater mass also have greater inertia, as evidenced by their lower acceleration when the same force is applie...

2 years ago

a) The expected value and standard deviation of the number of rats that will die from the drug before the experiment is over when 10 animals are treated with the drug is $E=10*\frac{4}{20}=2$ and $SD=\sqrt{10*\frac{4}{20}*\frac{16}{20}}=0.8$. b) The proba...

2 years ago

q = 2.115 E4 J/ºC * (27.71ºC - 23.49ºC) = 2.49E4 J.

2 years ago

Yes, this reaction is spontaneous. In a spontaneous reaction, the ΔH is negative, indicating that the reactants have a lower enthalpy than the products. The given reaction has a negative ΔH of -575.13 kJ, which means it is spontaneous.

2 years ago

The freezing point depression of a solvent is directly proportional to the molality of the solute. Therefore, the number of moles of the solute required to achieve the same freezing point lowering as 5.0 mol of ethylene glycol in 1 kg of water is 5.0 mol....

2 years ago

Carlos va a jugar al fútbol.

2 years ago

The turnover is calculated by dividing the sales by the average operating assets. The sales are $5 per switch * 300,000 switches = $<<5*300000=1500000>>1,500,000. The turnover is $1,500,000 / $700,000 = <<1500000/700000=2.14>>2.14. Answer: \boxed{2.14}.

2 years ago

-7/9 x 3/5 = -7/9 x 3/5 = -7/9 x 3/5 = -21/45 = -27/45 -2/5 x -1 1/4 = -2/5 x -5/4 = 10/20 = 1/2 1 3/5 x - 3/4 = 1 3/5 x -3/4 = -3 9/20 = -19/20 = -1 9/20 -7/8 x - 1 3/7 = -7/8 x -7/7 = 49/56 = 7/8

2 years ago

Nothing is in bold print.

2 years ago

-In both cases, there is an enclosed volume of air, and the volume increases slightly. -In both cases, the pressure outside the enclosed volume is less than the pressure inside the enclosed volume.

2 years ago

A.race

2 years ago

Japan China North Korea South Korea Taiwan Mongolia Vietnam Thailand Philippines Indonesia

2 years ago

The word is "forumming writer".

2 years ago

The force of friction is equal to the force of the applied force minus the net force. The net force is the force of the applied force divided by the mass, giving a net force of 25N/7kg = <<25/7=3.57>>3.57N. The force of friction is 25N - 3.57N = <<25-3.57...

2 years ago

Your average score is currently (61+70+99+70)/4 = <<(61+70+99+70)/4=75>>75 To get a B, you need an average of at least 80, so you need a score of 80-75 = <<80-75=5>>5 higher on your last test. Thus, you need a minimum score of 70+5 = <<70+5=75>>75 on the...

2 years ago

Athens and Sparta were the two most powerful city-states.

2 years ago

False. My Plate is a dietary guide created by the United States Department of Agriculture (USDA) to help Americans make healthy food choices and build balanced meals. It is not specifically designed to help Americans eat one healthy meal a day.

2 years ago

The Roman government was a mixed government with checks and balances, which limited the power of any one individual or group. The Roman Senate, made up of wealthy and influential citizens, had significant power in decision making and could override decisi...

2 years ago

1. What is the purpose of the text? 2. Who is the intended audience? 3. What is the tone of the text? 4. What is the main point of the text? 5. What evidence is used to support the main point? 6. Are there any logical fallacies present in the argument? 7....

2 years ago

The first step in evaluating an argument is to identify the main claim or thesis statement. This is the main point the author is trying to make. Once the main claim is identified, you can then evaluate the evidence and reasoning used to support the claim....

2 years ago

Tracing an argument involves examining the evidence and reasoning used to support the main claim. You should look for logical connections between the evidence and the conclusion, and identify any assumptions or gaps in the argument. You should also consid...

2 years ago

The United States could benefit from adopting some of the aspects of China's healthcare system and services. Advanced degrees should not be required to become a practicing physician in hospitals or clinics as this would open up the field to more qualified...

2 years ago

The main source of a claim is evidence.

2 years ago

What are your choices?

2 years ago

Days can be warmer on one part of the Earth than another due to a variety of factors, including latitude, altitude, ocean currents, and prevailing winds. Latitude is the most important factor, as the closer an area is to the equator, the more direct sunli...

2 years ago

It depends on the topic and the information within the article. Wikipedia is a user-generated encyclopedia, so the accuracy and credibility of the information can vary. It is recommended to verify the information from multiple sources before using it as a...

2 years ago

If Jackson has 4 more CDs than Amal, we can write this as a mathematical expression as follows: Jackson = Amal + 4 If we know that the total number of CDs that Jackson and Amal have is 18, we can write this as an equation as follows: Jackson + Amal = 18 N...

2 years ago

What are some common factors to consider when choosing a career path? Interests and skills Job availability and growth potential Salary and benefits Work-life balance and location Education and training required What are some resources available to resear...

2 years ago

If the wavelength is increased to 10m but the speed stays the same at 60, the frequency of the wave will decrease.

2 years ago

We don't know what your questions are, so I'll just make up my own questions to help you.

2 years ago

Looks like you're just posting the same thing over and over?

2 years ago

auto mechanics, duh.

2 years ago

To solve this problem, we need to multiply the numerator and denominator of the fraction by the reciprocal of 5/16. Since the reciprocal of 5/16 is 16/5, we have: 5/16 * 24/15 = (5/16 * 24)/(5/16 * 15) = (5 * 24) / (16 * 15) = (120) / (240) = 1/2 Therefor...

2 years ago

Lol wut? You need to enter your questions in their entirety.

2 years ago

This is creepy.

2 years ago

Well, if you're trying to maintain weight, then true. But hardly anyone maintains weight, so usually false.

2 years ago

(3/5) / (1/20) = 12 pieces

2 years ago

Well if the wagon is stopped and then you start pulling it, then the acceleration of the wagon increases.

2 years ago