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Vlad1618 [11]
3 years ago
15

Air pollution:

Biology
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

Since the early 1900s, many glaciers around the world have been rapidly melting. Human activities are at the root of this phenomenon. Specifically, since the industrial revolution, carbon dioxide and other greenhouse gas emissions have raised temperatures, even higher in the poles, and as a result, glaciers are rapidly melting, calving off into the sea and retreating on land.

Explanation:

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Define the following:<br> Cellular Respiration+ fermentation
slamgirl [31]

Explanation:

Fermentation is another anaerobic (non-oxygen-requiring) pathway for breaking down glucose, one that's performed by many types of organisms and cells. In fermentation, the only energy extraction pathway is glycolysis, with one or two extra reactions tacked on at the end.

6 0
3 years ago
Acetylcholine receptors on skeletal muscles are described as being ionotropic receptors because
DerKrebs [107]

Answer:

they are Na+, K+ and Ca2+ ion channels.

Explanation:

Ionotropic acetylcholine receptors are also called nicotinic acetylcholine receptors because beside acetylcholine (Ch) they respond to nicotine. These receptors are  primary receptors in muscle for motor nerve-muscle communication that controls muscle contraction.

Two molecules of ACh are required for receptor to open. Since the receptors are  linked to ion channels, the channels open. Opening of the channel allows positively charged ions to move across it: sodium enters the cell and potassium exits.

3 0
3 years ago
Where are fats, carbohydrates, and proteins broken down into particles small enough to be absorbed into the body?
siniylev [52]

Answer:

Duodenum (option 3)

Explanation:

Digestion of carbohydrates, proteins, and fats continues in the small intestine. Starch and glycogen are broken down into maltose by small intestine enzymes. Proteases are enzymes secreted by the pancreas that continue the breakdown of protein into small peptide fragments and amino acids.

The duodenum is the first section of the small intestine and is the shortest part of the small intestine. It is where most chemical digestion using enzymes takes place

8 0
2 years ago
Read 2 more answers
Which part of the body do you use to walk?
True [87]

Good morning


The answer is : Your feet

8 0
3 years ago
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Carbon tends to form 4 bonds. What kind of bonds are they?
krok68 [10]
Hmm i think it might be a <span>covalent </span>bond
I hope you have a wonderful day! And hope this helps! :D
5 0
3 years ago
Read 2 more answers
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