A sugar phosphate group and a nitrogen base form the building blocks of which organic compound?

the oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf, but operationally is often referred to as beginning where the water depths drop to below 100 meters (328 feet), seaward from the coast to the open ocean.

explanation:

d. planting trees

the trees take in carbon to make oxygen.

i won't lie i don't know so go online and ask google thats what i do