One way bacteria are important to the earth and its ecosystems is that
a. bacteria concentrate valuable minerals.
b. bacteria decompose dead organisms.
c. bacteria produce acetone.
d. bacteria use oxygen.

me two

explanation:

because i hate it

it would lead to upper respiratory infections and pneumonia.

protein makes up the building blocks of organs, muscles, skin, hormones and pretty much everything that matters in your body.

some choices are:

peanut butter

seeds

eggs

yogurt

meats

fish

so pretty much meat, dairy, nuts, and grains.