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

The transfer of carbon to -

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

The transfer of carbon involves all of the following options:

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