Why are bacteria necessary for life on Earth to exist? Check all that apply.

Bacteria help produce the oxygen that plants and animals need.
Bacteria help produce some of the foods we eat.
Bacteria produce the water that plants and animals need.
Bacteria help to heal sick plants and animals.
Bacteria decompose rotting plant and animal material.

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.