The carbon cycle involves which of the following: (select all correct answers that complete the following sentence)

The transfer of carbon to -

a
the atmosphere through combustion and cellular respiration.
b
animals when consuming plants and animals as food.
c
the ocean from the atmosphere.
d
organic sources such as plants that consume carbon dioxide in photosynthesis.

a

the atmosphere through combustion and cellular respiration.
b
animals when consuming plants and animals as food.
d
organic sources such as plants that consume carbon dioxide in photosynthesis.