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poizon [28]
3 years ago
11

What gas was non existent 2.5 billion years ago

Biology
1 answer:
gogolik [260]3 years ago
7 0
Fossil fuel was non existent 2.5 billion years ago
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Functions in excrition
Roman55 [17]

Answer:The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. The Excretory system is responsible for the elimination of wastes produced by homeostasis.

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3 years ago
Which of the following is not a function of protein?
masha68 [24]
C. Insulating the body

Insulating the body is not a function of a protein.

Lipids are macromolecules which provide insulation. 
<span>A macromolecule is a large molecule. There are four groups of macromolecules: carbohydrates, proteins, nucleic acids and lipids. Lipids consist of glycerol and fatty acids and are constructed from fats, oils, waxes, phospholipids and steroids. A lipid's function is to insulate the body and provide warmth in cold conditions. It can be concluded that a person with very little body fat gets very cold easily and a person with a lot of body fat gets very warm very quickly.
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8 0
3 years ago
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Sewage is a mixture, true or false​
alexandr402 [8]

Answer:

True

Explanation:

Sewage contains many substances in it like suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria and other microbes. Hence it is said to be a complex mixture.

5 0
3 years ago
What is the role of camouflage in prey and predator
Luba_88 [7]

Answer:Camouflage, also called cryptic coloration, is a defense or tactic that organisms use to disguise their appearance, usually to blend in with their surroundings. Organisms use camouflage to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey.

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