Why are bacteria necessary for life on earth to exist? check all that apply.

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

checkk all that apply i will mark brainliest

Bacteria help produce the oxygen that plants and animals need.

Bacteria help produce some of the foods we eat.

Bacteria decompose rotting plant and animal material.

Explanation:

you need to take a look at the periodic system in order to sort these elements into pairs that would most likely exhibit similar chemical properties. first, you need to find elements that are found in the same group (groups are vertical in the periodic system), and then to see whether they have the same valence number. if they meet these criteria, they will have similar properties.

the first pair: ne (neon) and kr (krypton), are noble gases found in group 8

the second pair: li (lithium) and k (potassium), found in group 1

the third pair: s (sulfur) and te (tellurium), found in group 6

the maximum mass of nh3 is nh3 in grams