Which one of the following elements is not found in living things?
select one:
o a. sulfer
o b. hydrogen
c. oxygen
d. lead

For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?