A B C or D ?!!

Helpp

C

Explanation:

Animals get nitrogen by eating plants or other animals that contain nitrogen. Wen organisms die, their bodies decompose bringing the nitrogen into soil on land or into the ocean. Bacteria alter the nitrogen into a form that plants are able to use

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds