Question: Choose your answer.

How has burning fossil fuels most caused a decline to the quality of air that people breathe?
My Answer: by adding particle pollution

Question: Choose your answer.

Which mass is undergoing the greatest amount of acceleration?
My Answer: 1 kg subjected to a force of 100 N

Question: Choose your answer.

Several horses grazed in a fenced area across from a home. On rainy days, soil would wash down a slope and run toward the home. After the horses were moved a few years later, the soil no longer washed down when it rained. What could account for this change?
My Answer: The grass grew and kept the soil intact.

Question: Choose your answer.

Food webs show feeding relationships among different types of organisms. Those organisms each have a specific niche. Which of the following best describes a function of decomposers in food webs?
My Answer:
to recycle nutrients into soil