The answer is spicules. These
sharp-pointed structures are formed from calcium carbonate skeleton of
the organisms. They can also be formed from silica. They can be big (megascleres),
or microscopic (microscleres). Also dependent on the number of axis on the spicules, they are classified as monoaxon,
triaxon or polyaxon.
The answer should be vulture
B. Convection
The heat causes the ocean water movement to continuously circulate around the globe
Matter is anything that has mass. everything has matter, even the air.
A is the answer hope i helped
