Hydrogen ions are found in_ which hydroxide ions are found in_

A. Acids and bases
B. Bases and acids
C. Acids and salts
D. Bases and salts

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Nucleic acid certain protein cell membranes certain carbohydrates

How does a gymnosperm prevent itself from pollinating the same tree