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vampirchik [111]
3 years ago
9

1. In which direction do planets orbit the Sun, clockwise or counterclockwise?

Biology
2 answers:
Pachacha [2.7K]3 years ago
7 0

Answer:

Counterclockwise

Explanation:

Free_Kalibri [48]3 years ago
6 0

Answer:

Counterclockwise

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There are more species in tropical areas than in places more distant from the equator. this is probably a result of _____.
slega [8]
The temperature of tropical areas relative to places more distant to the equator. Another reason why is higher nutrient cycling, which is also an effect of higher temperature.
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3 years ago
The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function
ira [324]

Answer:

Astrocytes.

Explanation:

Astrocytes are the star shaped cells that are present in the brain and spinal cord. The exact constitution of astrocytes in the brain is not known and almost 20% to 40% astrocytes are present in brain.

The astrocytes acts as the blood brain barrier and involved in the process of brain scarring. Astrocytes also regulate ions concentration by propagating the calcium ion channels in response to the stimulus. Astrocytes also generate a response by the calcium dependent release of glutamate.

Thus, the correct answer is option (B).

7 0
3 years ago
(b) Describe how a student could test cow's milk to show whether it contains protein
marin [14]
Milk contains a lot of proteins in them it contains calcium protein potassium iodine. Phosphorus. It also contains vitamins b1 and b12.
5 0
3 years ago
Ribosomal RNA is produced in the cytoplasm.<br> True <br> False
natima [27]
The answer is false (sorry I'm late.)
3 0
2 years ago
Read 2 more answers
I'LL GIVE BRAINLEST!
Y_Kistochka [10]

Answer:

Ok so i will try my best to describe the answers:

1) a convection current is like a boiling pot of soup. the burner heats up the soup on the bottom. hot air always goes up because the molecules become more active, making them space out upward. the hot soup travels up through the center of the pot, and the cold soup up top travels down towards the edges of the pot to replace the hot soup that just moved up. the process keeps on going and going until there is no more heat, or until the burner turns off.

2&3) the sun makes everything warmer, so when the sun touches Earth's surface, it warms up the air around it. as soon as the air warms up, it goes up into the atmosphere, like the pot of soup example. then, cold air from the top moves in to replace the hot air. with so many molecules of air moving at one time, it makes gusts of wind during the movement. when it is really windy, that means that there is a lot of hot air moving up and cold air moving down. when there is no wind, that means that every molecule is where it is supposed to be, not disturbing one another.

I hope this helps :D

4 0
2 years ago
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