what's number 2?, and how much atmospheric nitrogen can plants procees and humans, if u want to give me the answer to the others ur welcome

What provides a link between the nervous system and the endocrine system?

Compare a diploid and haploid cell

Convert 5.98*10^24 kg, the mass of Earth, to milligrams, mg.

Provide three different examples of how minerals can form the earth

Roy is testing different types of soils to see how well corn will grow in them. He fills 2 pots with 2 types of soil and plants the same corn in each. He gives them each the same amount of water and sunlight.

Which term best describes a protein that speeds up chemical reactions in living things

How many bases are need to specify three amino acids

Nutritionists and doctors do not recommend energy restrictions below. Calories for women and. Calories for men.

Which of the following is an example of a two-shelled mollusk? a. snail. b. oyster. c. gastropod. d. radula.

The type of radiation that will penetrate farthest into a material