Which two elements are in the same period? a. lithium and magnesium b. boron and carbon c. potassium and sodium d. zinc and nitrogen?

Which process is involved in growing crops? irrigation transportation recreation condensation

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Which organelle breaks down sugar molecules that supply energy to the cell ?