What is true of saturated fatty acid chains?
a. they are more healthy that unsaturated fats.
b. they contain only single covalent bonds.
c. they are only made in leaf cells of green plants.
d. they contain at least one double or triple bond.

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:

a. an idea which cannot be disproven!

explanation: