Questions and answers by

noah

Questions (127)

The atmosphere recycles many materials naturally.Different gases are continuously moving in and out of the atmosphere at all
1. 1 answer
2. 2 views
Select all the correct terms.The table below lists a number of substances that are common on planet Earth. What are the five
1. 1 answer
2. 1 view
One way that scientists can peer into the Earth's past is by taking ice core samples. An ice core sample is, essentially, a long
1. 1 answer
2. 1 view
The red line on graph below shows how levels of carbon dioxide in the Earth's atmosphere have changed through geologic time. The
1. 1 answer
2. 1 view
Fruit flies can either have a brown body or a black body. The allele for a brown body (B) is dominant to the allele for a black
1. 1 answer
2. 1 view
Cystic fibrosis is a recessive genetic disorder caused by a mutation of the CTRF gene. The disease is characterized by excessive
1. 1 answer
2. 1 view
In a particular type of cat, coat color follows the dominant/recessive pattern of inheritance. The allele for a brown coat (B)
1. 1 answer
2. 1 view
Opsins are proteins that are found in the light-sensing cells in the human eye. Different opsin proteins are sensitive to
1. 1 answer
2. 1 view
8Mitosis is a type of cell division that produces cells that are identical to the parent cell. Meiosis is a different type of
1. 1 answer
2. 2 views
There are two main types of cell division—mitosis and meiosis. Which of the following is a true statement about the end
1. 1 answer
2. 2 views
When a cell undergoes mitosis, what is the result?A. four cells created from the combination of two parent cells B. two
1. 1 answer
2. 2 views
Which of the following is a characteristic of meiosis but not of mitosis?A. separates one existing cell into two identical new
1. 1 answer
2. 2 views
The diagram below models the process of meiosis. The diagram shows the chromosomes, which contain the cells' DNA.Which statement
1. 1 answer
2. 2 views
Select each correct answer.Random mutations can occur in an organism's DNA, causing traits that are different from other
1. 1 answer
2. 2 views
Sickle-cell disease is caused by a mutation that produces an abnormal protein. The gene for sickle-cell disease causes a
1. 1 answer
2. 2 views
Mutations are changes in the DNA of an organism. Changes caused by mutations can affect the structure and function of different
1. 1 answer
2. 2 views
What is the primary function of decomposers in an ecosystem?A. Decomposers are parasites; they attach themselves to host
1. 1 answer
2. 3 views
3Phytoplankton are single-celled, photosynthetic organisms living at the surface of the ocean. How do phytoplankton affect the
1. 1 answer
2. 2 views
2In the above food web, energy is transferred from wheat to the mouse and from the mouse to the coyote when these organisms are
1. 1 answer
2. 2 views
Select each correct answer.Examine the diagram of the carbon cycle shown above. Through which of the following processes is
1. 1 answer
2. 2 views
The main difference between aerobic respiration and anaerobic respiration is thatA. aerobic respiration generates ATP, and
1. 1 answer
2. 3 views
Green plants produce sugar in their leaves through the process of photosynthesis. To make this sugar, plants must acquire some
1. 1 answer
2. 3 views
Given that cellular respiration uses oxygen and produces carbon dioxide, which of the following statements can be inferred from
1. 1 answer
2. 3 views
A scientist did an experiment using a chemical inhibitor that stops photosynthesis for a certain type of plant. He grew two
1. 1 answer
2. 1 view
To obtain the energy needed for life processes, plants break down _______ to release stored chemical energy through the process
1. 1 answer
2. 1 view
Which of the following statements can be inferred from the diagram shown above?A. Only animals can undergo photosynthesis and
1. 1 answer
2. 1 view
According to ancient Japanese Shinto beliefs, the Sun Goddess AmaterasuA. gave birth to the islands of Japan. B. was a sister of
1. 1 answer
2. 2 views
The Japanese adopted ideas about government from the Tang dynasty. Which of the following was included in those ideas?A. a class
1. 1 answer
2. 4 views
the Silk RoadChina's Grand Canal printing factories strong iron industry These factors enabled the Song dynasty to have A.
1. 1 answer
2. 3 views
19Which landform corresponds to the number 5 on the map? A. Gobi Desert B. Malay Peninsula C. Korean Peninsula D. Honshu
1. 1 answer
2. 2 views
use of fertilizercrop rotation use of seedlings improved irrigation new types of plows The above list describes agricultural
1. 1 answer
2. 1 view
Emperor Wen established the Sui Dynasty.The Period of Disunion was ended. Emperor Wen reunified all of China under his
1. 1 answer
2. 1 view
photosynthesis
1. 1 answer
2. 2 views
dose cellular respiration occurs
1. 1 answer
2. 2 views
cellular respiration is
1. 1 answer
2. 2 views
what might happend to the carbon cycle if dead organisms did not break down
1. 1 answer
2. 2 views
give me a rap with book LeBron James
1. 1 answer
2. 7 views
When people think of elephants and mice, they imagine two very different animals. One is very large while the other is small.
1. 1 answer
2. 3 views
is Constantine the roman emperor that changed the outlook of Christianity in the roman empire
1. 1 answer
2. 12 views
what is 25 x 366
1. 1 answer
2. 11 views
x^3-x^2/x^4
1. 0 answers
2. 75 views
which option will cause a business to lose money from a failing product?
1. 0 answers
2. 105 views
4 - t = 3(t-1)-5
1. 0 answers
2. 69 views
Mila is working two summer jobs, making $10 per hour washing cars and $11 per hour landscaping. Last week Mila worked a total of
1. 1 answer
2. 426 views
Camila is working two summer jobs, making $10 per hour lifeguarding and $6 per hour walking dogs. Last week Camila worked 5 more
1. 2 answers
2. 464 views
Serenity is a high school basketball player. In a particular game, she made some two point shots and some three point shots.
1. 1 answer
2. 451 views
Joshua owns a trucking company. For every truck that goes out, Joshua must pay the driver $25 per hour of driving and also has
1. 1 answer
2. 471 views
A base jumper steps off a high cliff. They fall 500 meters before deploying a parachute and fallinganother 400 meters. Tell me
1. 0 answers
2. 307 views
A 12 pound shot put and a small metal BB are dropped from a tall tower, inside a vacuum chamber,and into a deep pool. Compare
1. 0 answers
2. 292 views
the data set below shows the weight in pounds of 5 diffrent pumkins what is the mean of the following set of data7,5,9,5,12 A
1. 4 answers
2. 588 views
One side of a rectangle is 5 inches and the other side is x inches. What values of x will make the perimeter at least 26
1. 1 answer
2. 591 views
What prominent parts do puddings or sausages play in the plot of “Get Up and Bar the Door”?
1. 0 answers
2. 298 views
Doug collects baseball cards and keeps them in an album.He has filled 5/12 of the pages. He said he has filled more than 12 of
1. 1 answer
2. 561 views
why did the great compromise establish a two-house legislature
1. 1 answer
2. 462 views
What is the value of 7(10 – 23) + 8 ÷ 2?A. 11 B. 13 C. 18 D. 32
1. 2 answers
2. 624 views
whats 2/3 divided by 1/4
1. 2 answers
2. 587 views
what will be the loca time in nigeria longitude 15 degree east,when it is 5.00pm in ethiopia,longitude 45 degree east.
1. 7 answers
2. 1,794 views
The data in the table illustrates a linear function.x, -3,0,3,6, y, -6,-2,2,6
1. 2 answers
2. 819 views
Simplify 4!
1. 2 answers
2. 918 views
What are some pull factors that would likely attract immigrants to work in the agriculture sector in the United States?
1. 0 answers
2. 3,607 views
What were the significant long-term effects of Lincoln's assassination on the political landscape of the United States?
1. 0 answers
2. 6,002 views
Nico is saving money for his college education. He invest some money at 5%, and $1600 less than that amount at 3%. The
1. 1 answer
2. 732 views
explain the significance of the song guantanamera
1. 2 answers
2. 568 views
Rearrange the formula KE = 1/2 mv^2 for m
1. 3 answers
2. 8,735 views
Which number can be added to a rational number to explain that the sum of two rational numbers is rational?a: pi b: 3 7/8 c:
1. 1 answer
2. 946 views
Beth leaves her home on her bike, traveling down a long country road, atthe rate of 8 mph. Her brother, Brandon, left 15 minutes
1. 3 answers
2. 724 views
I have no clue to this. Please help. Line segment CD has endpoints with coordinates (1,2) and (9,6). What is the location for
1. 1 answer
2. 572 views
x^4+3x-2/[(x^2+1)^3(x-4)^2]=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+Ex+F/(x^2+1)^3+G/(x-4)+H/(x-4)^2find A,B,C,D,E,F,H thank am tired of
1. 1 answer
2. 382 views
can someone tell me why 9/15 is equivalent to 3/10 I cant seem to figure it out,??
1. 1 answer
2. 351 views
hummingbirds beat their wings 1500 times in 30seconds calculate frequency and the period
1. 1 answer
2. 522 views
the neuron that transmit the signal to your foot to kick a soccer ball are calledreflexes motor neurons sensory neurons
1. 28 answers
2. 2,414 views
the neuron that transmit the signal to your foot to kick a soccer ball are calledreflexes motor neurons sensory neurons
1. 35 answers
2. 3,734 views
My problem is with a parallelogram that has three numbers which are 88 degrees,104,and 80. Then the fourth on is 8x minus 2 how
1. 1 answer
2. 568 views
suppose that a, b, c ,and d are positive integers whose sum is 100 and a-c=5.What is the greatest possible value of ab-cd
1. 0 answers
2. 399 views
did germany take over sweden in WW2
1. 1 answer
2. 458 views
Nearly ________ of the heat produced in the body is the result of muscle contraction.A. 55 percent B. 65 percent C. 75 percent
1. 3 answers
2. 667 views
t is recommended that a person ________ to manage and reduce stress.A. Talk to family and friends B. Eat more frequently C. Beat
1. 1 answer
2. 512 views
You can find ways to manage stress by ________.A. Keeping what’s causing your stress to yourself B. Dismissing any signs of
1. 3 answers
2. 708 views
hat is physical stress?A. A physical reaction of the body to various triggers B. A physical reaction of the mind to various
1. 1 answer
2. 653 views
Extreme efforts to lose weight among teenagers can lead to ________.A. Obesity related illnesses B. Eating disorders C. More
1. 2 answers
2. 439 views
What type of questions should a patient ask a doctor before getting cosmetic surgery?A. How many years has the doctor performed
1. 2 answers
2. 1,139 views
What can a parent do to help their child develop a positive body image?A. Watch television with their child and discuss the
1. 6 answers
2. 658 views
In order to lose weight you have to ________.A. Burn more calories than you consume B. Eat less C. Burn less calories than you
1. 3 answers
2. 981 views
If you’ve decided to lose weight then ________.A. Even modest weight loss can lead to big health benefits B. Modest weight
1. 4 answers
2. 639 views
A sonar signal of frequency 1.00 106 Hz has a wavelength of 1.40 mm in water.(a) What is the speed of the signal in water? (b)
1. 1 answer
2. 1,474 views
Water waves in a lake travel 4.5 m in 1.7 s. The period of oscillation is 1.2 s.(a) What is the speed of the water waves? (b)
1. 1 answer
2. 1,690 views
An ocean wave has a length of 12.0 m. A wave passes a fixed location every 2.0 s. What is the speed of the wave?
1. 1 answer
2. 1,682 views
10+3(1+p)=
1. 0 answers
2. 290 views
What is the least common denominator for the fractions 5/27 and 5/36 ?
1. 1 answer
2. 1,154 views
How many 4/5s are in 1 ? Isn't the answer 5/4 ?
1. 1 answer
2. 1,066 views
Rolling a number cube once what is the probability of rolling a number greater than 4 ?
1. 3 answers
2. 3,799 views
How many 4/5 are in 1 ? Is the answer 5/4 ?
1. 1 answer
2. 324 views
How many 4/5 are in 1 why wouldn't the answer be 5/4 ?
1. 1 answer
2. 805 views
Rolling a number cube once what is theProbability of rolling a number greater than 4 ?
1. 1 answer
2. 658 views
How many 4/5 are in 1 ?
1. 5 answers
2. 4,760 views
(5)(5+5)=I got 25 is it right or is it 50?
1. 1 answer
2. 308 views
What fraction = .40625
1. 3 answers
2. 726 views
If the diameter of a circle is half of a yard then its radius is how many inches?
1. 2 answers
2. 724 views
using substitution how to solvex + 4y = 8 2x + 5y = 29
1. 1 answer
2. 2,024 views
What is the rule for this function?Input 1 output 3 Input 2 output 5 Input 4 output 9 Input 5 output 11 Input 10 output 21 Input
1. 2 answers
2. 1,357 views