A substance that produces hydronium ions when it dissolves in water is said to be a acid.
The axis is an imaginary line going through the earth so the way the earth is "tilted" would tell you,for example, if the northern hemisphere is tilting toward the sun, it will be summer in the northern hemisphere.
DNA. Deoxyribonucleic acid (DNA<span>) is a nucleic acid that contains the genetic instructions for the development and function of </span>living things<span>. All known cellular life and some viruses contain </span>DNA<span>. The main role of </span>DNA<span> in the cell is the long-term storage of information.</span>
Answer:
nitrogen fixation, nitrification, denitrification, anammox, and ammonification
Explanation:
Answer:
C. Concentration gradient