What effect do keystone species have on an ecosystem?

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

What best describes the dropping height of a ball that bounces back up to a height of 45 cm