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Questions (223)

Which action would most likely reduce the occurrence of acid rain?(1 point)Responses abolishing fuel efficiency standards for
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2. 46 views
Which statement identifies a consequence of acid rain?(1 point)Responses It can lead to habitat loss for aquatic organisms. It
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2. 101 views
Which claim about how chlorofluorocarbons are harmful to humans and the environment is true?(1 point)Responses
1. 1 answer
2. 57 views
Which option is a particulate associated with air pollution?(1 point)Responses coal dust coal dust ozone ozone
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2. 62 views
Which action is the primary cause of air pollution?(1 point)Responses the depletion of the ozone layer the depletion of the
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2. 50 views
Which molecule acts as a greenhouse gas?(1 point)Responses nitrous oxide (N2O) nitrous oxide (N 2 O) oxygen (O2) oxygen (O 2 )
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2. 83 views
Are greenhouse gases and the greenhouse effect ever beneficial? Why or why not?(1 point)Responses No, greenhouse gases are a
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2. 72 views
Which observed consequence is due to increased production of greenhouse gases?(1 point)Responses fewer floods fewer floods more
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2. 56 views
Which statement best summarizes the presence of greenhouse gases in the atmosphere?(1 point)Responses The atmosphere has
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2. 88 views
Which of the following describes a greenhouse gas?(1 point)Responses A molecule that has the ability to vibrate asymmetrically
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2. 79 views
The embryo receives nutrients from the amniotic sac.(1 point) Responses true true false
1. 5 answers
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An egg cell and sperm cell join together to form a _____.(1 point) Responses zygote zygote placenta placenta blastocyst
1. 3 answers
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Question_____ occurs when sperm fertilizes an egg cell. (1 point) Responses Menstruation Menstruation Conception Conception
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2. 126 views
Which stage of labor is called the "pushing" stage?(1 point) Responses first first second second third third fourth
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2. 78 views
Which option correctly compares beta decay and gamma decay?(1 point)Responses Beta decay only reduces the energy level, while
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2. 113 views
Which statement best describes the charges of the particles involved?(1 point) Responses A negative particle is striking a
1. 5 answers
2. 119 views
How is fission different from a simple chemical reaction?(1 point)Responses Fission reactions run out of control, while chemical
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2. 118 views
Nuclear Processes Unit Test8 of 188 of 18 Items Question In nuclear reactions, information about the nuclei that take place in
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Which statement best describes the charged particles in the fusion reaction?(1 point) Responses The nucleus with the greatest
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2. 43 views
Which aspect must be taken into consideration when creating a model of radioactive decay?(1 point)Responses There must be a
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2. 129 views
Which phrase describes radioactive decay?(1 point)Responses the triggering of one reaction by the products of another the
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2. 72 views
Why does the emission of an alpha particle always result in transmutation?(1 point)Responses Energy is released from the nucleus
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2. 75 views
In a nuclear reaction, which is the same before and after the change?(1 point)Responses the total number of protons the total
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2. 56 views
Identify the incorrectly punctuated sentence.(1 point) Responses Gary is going to take pictures in the park and at the zoo. Gary
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2. 85 views
A standard deck of cards has 52 cards. The 52 cards are divided into four suits: diamonds, clubs, hearts, and spades. Diamonds
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2. 130 views
A survey asked men and women whether they preferred documentaries or dramas when watching television. The results are in the
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2. 160 views
14 of 1414 of 14 ItemsQuestion What is P(yellow or glossy)? (1 point) Responses 730 7 over 30 2030 20 over 30 2730 27 over 30
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2. 107 views
This Venn diagram represents 100 people's responses to three different statements about their favorite ways to eat ice cream.
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2. 142 views
Given that a coin is flipped and lands on heads, what is the probability that a number cube was rolled 6 times?(1 point)
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2. 101 views
There are 50 books on a shelf. They include 15 mystery novels, 12 works of historical fictions, 8 romance novels, and 15
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2. 155 views
Consider a jar that has 20 marbles. There are 4 red, 4 blue, 4 green, 4 yellow, and 4 purple marbles. What is the probability of
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2. 94 views
In a survey, 120 people are asked how they like to spend their free time. Their responses are recorded on the table based on
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2. 128 views
Let A be the event that a students likes apples. Let B be the event that a student is in middle school. Based on the data in the
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2. 132 views
Students were surveyed in about their current language class.In the 9th grade class, 58 students take French and 47 take German.
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2. 112 views
Consider a spinner with numbers 1-8 and a number cube with numbers 1-6. Let event A represent landing on a number greater than 3
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2. 94 views
What is the probability of drawing a black nine from a standard deck of playing cards?(1 point)Responses 152 1 over 52 113 1
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In bowling, there are 10 pins that stand in a triangular shape. The idea is to knock down all the pins. A frame consists of two
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2. 174 views
Emilio rolls a typical 6-sided number cube. List the outcomes for him rolling an even number divisible by 3. (1 point)Responses
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2. 88 views
Choose the correctly punctuated sentence.(1 point) Responses Twice a day, twenty-seven satellites circle the entire Earth. Twice
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2. 54 views
What is P(blue or medium) ?(1 point) Responses 630 Start Fraction 6 over 30 End Fraction 1030 Start Fraction 10 over 30 End
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2. 67 views
What formula is used to interpret the answer to an or probability scenario that involves P(A) as one event and P(B) as the other
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2. 98 views
A survey was conducted of the courses taken by the 1,272 sophomores at a local high school. Determine the probability that a
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2. 145 views
What is the probability of choosing a diamond or a queen in a standard deck of cards?(1 point)Responses 1352+452−151 Start
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2. 96 views
If you roll a standard number cube, determine the probability that you roll an even number or a 5.(1 point)Responses 12 Start
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2. 57 views
Given that someone is 15-16 years old, what is the probability that they will prefer biking?(1 point) Responses 33% 33% 10% 10%
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2. 36 views
How many people were surveyed in the table?(1 point) Responses 61 61 70 70 110 110 49
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2. 45 views
What is the term for the number of items in a particular category in a set of data?(1 point)Responses sample space sample space
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2. 41 views
What is conditional probability?(1 point)Responses a set of all possible outcomes from a given experiment a set of all possible
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2. 68 views
How is a two-way frequency table used to approximate conditional probabilities?(1 point)Responses by writing the ratio of the
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2. 31 views
Bathsheba has 5 paintings in her house, 1 each in a color palette of red, yellow, blue, green, and purple. She hangs them
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Mr. Jay has 100 pairs of shoes in his closet. He has 26 brown pairs, 12 navy pairs, 47 black pairs, and 15 white pairs. What is
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2. 141 views
There are 100 trading cards in a bin. They include 5 rare cards, 35 limited cards, and the remainder are common cards. Which of
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2. 122 views
Which of the following represents a dependent event?(1 point)Responses picking 2 snacks from the pantry and replacing the first
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2. 76 views
Which of the following formulas is used to mathematically recognize and explain the conditional probability of event A, given
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Let event A represent the P(yellow) and let event B represent the P(yellow|triangle). Are they independent? Explain.(1 point)
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2. 100 views
How do you determine if the outcome of two events is independent?(1 point)Responses Show that P(A and B)=P(A)⋅P(B). Show that
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2. 56 views
The Venn diagram represents the results of the experiment of rolling two fair, six-sided number cubes and adding the sum of the
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2. 87 views
Newlyweds Katherine and Matthias plan to have two children. Assuming it is equally likely to be a boy or a girl, use the tree
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2. 151 views
The table shows the various outcomes of two different events. In order to find the probability of Outcome Y given that Outcome 2
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2. 96 views
With the concept of supply and demand, what term can be used to describe how much people desire a product or service?(1 point)
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2. 73 views
What law was enacted to protect the maltreatment of those 40 years or older and states that employers cannot fire their
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When a person makes a continued effort to get back up and try again, to push through in the face of adversity, you might say
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Once an idea is formed, the next phase is to create the most basic form of the intended product or service referred to as _____.
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2. 70 views
How often someone follows through on their promises or how likely someone will show up on time to do their work the way it needs
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2. 66 views
Jane and her team are rushing to get a marketing project completed by the 5pm deadline that they were given by their boss. As
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2. 90 views
Which statement best describes how aircraft technology evolved by World War II?(1 point)Responses Planes functioned more
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2. 211 views
Modeling Fusion Quick Check5 of 55 of 5 Items Question Which change will always take place in nuclear fusion?(1 point) Responses
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2. 104 views
How is the mass number calculated for an atom involved in nuclear fusion?(1 point)Responses It is the number of neutrons. It is
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2. 103 views
Why would placing two very strong magnets in the middle of two separate balloons provide a good model for nuclear fusion?(1
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2. 94 views
21H+ 21H→ 42H+energyWhich statement best describes the mass numbers of the atoms in the reaction? (1 point) Responses There is
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2. 74 views
3 of 103 of 10 ItemsQuestion What is the "Programa de Vigilantes Ecológicos"? (1 point) Responses a television series that
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2. 143 views
Summarize how the Great Depression affected Japan.(1 point)Responses It severely damaged foreign trade, on which Japan depended
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2. 203 views
Why did socialists split after World War I?(1 point)Responses Some hoped to forge political alliances with fascists, while
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2. 149 views
What would an observer examining the development of self-determination in Eastern Europe between the World Wars conclude?(1
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2. 89 views
Compare the situations leading up to the invasions of China and Poland.(1 point)Responses China and Poland were prepared to
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2. 285 views
Which of the following is a characteristic of a totalitarian state?(1 point)Responses the use of democratic elections the use of
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2. 145 views
Describe what caused Germany’s economy to suffer after World War I.(1 point)Responses wartime reparations and hyperinflation
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2. 121 views
Why did Nazi Germany sign a nonaggression pact with the Soviet Union?(1 point)Responses to benefit both of their economies to
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2. 131 views
If P(A)=51 % and P(B)=65 %, what must P(A and B) equal to prove that P(A) and P(B) are independent events?(1 point)Responses 65%
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2. 106 views
If P(A)=59 and P(B)=29 and the two events are independent, what is P(A and B)?(1 point)Responses 1081 Start Fraction 10 over 81
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2. 178 views
Consider randomly pulling marbles from a bag that contains 3 blue, 5 red, and 6 yellow marbles. What is the probability of
1. 1 answer
2. 163 views
What is an independent event?(1 point)Responses a representation of the possible relationships between two sets of data a
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2. 57 views
How do you decide if two events are independent using a two-way frequency table?(1 point)Responses Two events are automatically
1. 1 answer
2. 210 views
The Great Depression led to many significant consequences, but with regard to the issue of territorial expansion, the League of
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2. 69 views
Which statement accurately summarizes how the Chinese reacted to the Treaty of Versailles? (1 point)Responses The Chinese sent
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2. 71 views
Which of the following statements connects Woodrow Wilson’s intentions of imperialist rule to national self-determination? (1
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2. 107 views
A chemist will use a sample of 30 g of ethanol (CH3CH2OH) in an experiment. In one to two sentences, make and justify a claim
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The molar mass of ammonium acetate is 77.083 g/mol. A student uses 0.100 mol of ammonium acetate in a chemical reaction. The
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2. 109 views
Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why or why not
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2. 66 views
The molar mass of BF3 is 67.81 g/mol. How many molecules of BF3 are there in 2 g?(1 point)Responses 1.776×1022 1 point 7 7 6
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4A + B2 →2A2BThe molar mass of A is 12 g/mol. The molar mass of B is 4 g/mol. The molar mass of A2B is 28 g/mol. When the goal
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2. 108 views
C3H8 + 5O2 → 3CO2 + 4H2OWhich ratio of components is correct? (1 point) Responses For every 4 moles of water produced, 3 moles
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2HCl(aq) + Zn(s) → ZnCl2(aq) + H2(g)The molar mass of hydrogen (H) is 1 g/mol, the molar mass of chlorine (Cl) is 35 g/mol,
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Calcium carbonate (CaCO3) can undergo a chemical reaction to produce calcium oxide (CaO) and carbon dioxide (CO2). Which
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4Fe + 3O2 → rustBased on the law of conservation of mass, which could be the product of the reaction? (1 point) Responses
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When the products of a reaction are known, which fact can always be deduced about the reactants?(1 point)Responses the number of
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2. 125 views
The atomic mass of nickel (Ni) is 58.693 amu, and the atomic mass of chlorine (Cl) is 35.45 amu. Which molar mass is correct for
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2. 76 views
FeCl3 + 3NH4OH → Fe(OH)3 + 3NH4ClWhich statement about the equation is correct? (1 point) Responses Mass is conserved because
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2. 50 views
Which quantity is used to define 1 atomic mass unit?(1 point)Responses one-sixteenth the mass of a neutral oxygen atom
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2. 88 views
A student records the masses of two reactants (baking soda and vinegar), and then mixes them. The reactants bubble and foam,
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2. 92 views