A student writes two statements about the importance of soil. 1. Soil can act as a filter and keep pollutants out of groundwater.
2. Soil can be used as a natural building material.

Which of these describes whether the statements correctly describe the importance of soil?

A. Only statement one correctly describes an importance of soil.
B. Neither statement 1 nor 2 correctly describes the importance of soil.
C. Both statements 1 and 2 correctly describe the importance of soil.
D. Only statement 2 correctly describe an importance of soil.

The cluster of developing cells from conception until birth is called an

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Recently, crops of vegetables such as lettuce and green onions have been contaminated, while they are still on the farm, with bacteria that cause food poisoning. how will science influence the way the government responds to prevent an increase in food-borne diseases? because science has shown that lettuce and green onions are not nutritionally valuable, the government may pass laws that ban the sale of lettuce and green onions. because science has shown that there is no way to prevent bacterial contamination, the government may pass laws that punish businesses that buy lettuce and green onions. because science has shown that the washing of hands prevent the spread of infectious diseases among people, the government may pass laws that require hand washing by everyone who handles food. because science has shown there are ways to find the source of the contamination, the government may pass laws that require farm practices that reduce the contamination of lettuce and green onions.