The roots of plants take up nitrates from the soil. what are nitrates used to make?

a.) starch

b.) protein

c.) fats

d.) glucose

Does fitness and survival have the same meanings

What is the function of the atmosphere's ozone layer? It shields Earth from harmful solar radiation. It protects Earth from the sun's heat. It removes pollution from the atmosphere. It provides the oxygen needed for human life.

What is the relationship between the size of a predator population and the size of a prey population?

Phenylketonuria (PKU) is a recessive human disorder in which an individual cannot appropriately metabolize a particular amino acid. This amino acid is not otherwise produced by humans.

A farming community is experiencing an extended drought. Due to this, the community is low on water. The local and state governments decide to build a dam on a local river.

Summary of newton's laws and their importance to daily lives

Explain what is meant by the statement cleaner than coal

What type of cells are produced after fertilization occurs and the gametes combine? A) an egg cell B) a sperm cell C) a diploid zygote D) a haploid zygote

On a hot summer day, you notice a line of dark clouds forming. based on this observation, you go back inside and get an umbrella. what scientific skill have you used.

Which of the following is an example of a cultural control of pests? using natural pest predators using pest hormones using synthetic pesticides keeping homes clean