What provides the energy to add the phosphate group back to ADP to form ATP?
O oxygen we breathe
O excercise
O ATP in food we eat
O the food we eat

the backbone of the dna and rna compound is sugar phosphate.

you can't see the options

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

i think its white blood cells

i hope this