All living things are made of molecules that contain During , green plants and algae convert & into while releasing oxygen into the atmosphere.
Carbon dioxide is available when autotrophs & heterotrophs release it into the air during .
Carbon is released from when they are burned, which adds to the atmosphere.

All living things are made of molecules that contain carbon (or carbon atoms bonded to other elements.)

During photosynthesis, green plants and algae convert carbon dioxide & water into glucose while releasing oxygen into the atmosphere.

Carbon dioxide is available when autotrophs & heterotrophs release it into the air during cellular respiration.

Carbon is released from fossil fuels when they are burned, which adds carbon dioxide to the atmosphere.

i believe it would be the lungs.

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.