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riadik2000 [5.3K]
3 years ago
9

What 2 components make up the greatest percentage of the atmosphere?

Biology
1 answer:
Triss [41]3 years ago
3 0
Nitrogen - 78% - N_{2}
Oxigen - 21% - O_{2}

Hope it helped!
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When a fish swims from salt water into fresh water, its cells react by:
Sever21 [200]

When a fish swims from salt water into fresh water its cells react by losing water and shrinking.​ The correct option is D.

<h3>What is fresh water?</h3>

Glaciers, lakes, reservoirs, ponds, rivers, streams, wetlands, and even groundwater contain fresh water.

These freshwater habitats cover less than 1% of the world's total surface area but are home to 10% of all known animals and up to 40% of all known fish species.

When a fish swims from salt water into fresh water its cells react by losing water and shrinking due to osmosis.​

Thus, the correct option is D.

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6 0
2 years ago
Read 2 more answers
why is it easier/ faster for our body to digest candy than pasta? candy contains disaccharides and thus contains more substrate
Zanzabum

Pasta contains starch and thus contains more substrate and needs more enzyme to digest.

<h3>What is starch ?</h3>

A polymeric carbohydrate called starch, also known as amylum, is made up of a lot of glucose units connected by glycosidic linkages. The majority of green plants synthesize this polysaccharide as a form of energy storage. It is the most prevalent type of carbohydrate consumed by people worldwide and is present in significant proportions in common foods like wheat, potatoes, maize (corn), rice, and cassava (manioc).

Pure starch is a powder that is white, odorless, tasteless, and insoluble in alcohol or cold water. It is made up of the branching amylopectin and the linear and helical amylose molecules. Starch typically comprises 20 to 25% amylose and 75 to 80% amylopectin by weight, depending on the plant. Animals store their energy in glycogen, which is a more intricately branched form of amylopectin.

To learn more about starch from the given link:

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7 0
1 year ago
Why does a person need protein in their diet? ​
emmasim [6.3K]

Answer:

The body needs protein to build and repair tissues to make hormones, enzymes, body chemicals e.t.c.

The body also uses protein as a building block of blood , bones, skin , muscles, cartilage e.t.c.

Explanation:

6 0
3 years ago
The main dietary factor associated with elevated blood cholesterol is?
Korolek [52]

The main dietary factor associated with elevated blood cholesterol is saturated fat.

<h3>What about saturated fat?</h3>
  • Because they increase the amount of LDL cholesterol in our blood, saturated fats, sometimes known as "bad fats," increase the risk of cardiovascular disorders (including heart disease and stroke).
  • Cholesterol that is circulated in the blood.
  • The majority of this cholesterol is produced by the body, however some is also absorbed from the meals you eat.
  • Even if they include fat, foods derived from plants never contain cholesterol.
  • Only foods from animals do. Low density lipoproteins are able to transport cholesterol.
  • Dietary fat, particularly saturated and trans fats, may increase LDL and total cholesterol levels in the blood.
  • Blood cholesterol levels may be lowered by substituting polyunsaturated and monounsaturated fats, particularly olive and canola oil, for some saturated fats.
  • When we consume too much saturated fat, the receptors stop functioning as effectively, and blood cholesterol levels rise.

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5 0
2 years ago
Which process results in the production of ammonium
kobusy [5.1K]
The answer is nitrogen fixation.
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7 0
3 years ago
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