Which of the following statements do you think are true?

c.more precipitation,but only when emission levels.

sorry, is there a picture? i do not see any arrows.

wut? unius0123 wut?

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.