Ill give pls answer asap

The first amino acid of a new polypeptide chain is

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen