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lara [203]
3 years ago
12

Help.............................

Biology
1 answer:
Lynna [10]3 years ago
7 0

Answer:

the answer is changes gradually

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A main sequance star maintains a stable size as long as there is enough hydrogen to fuse into helium
Yakvenalex [24]

As you did not state what the question is you just wrote a statement, I am guessing this is a True or False question. If there is more to the question please comment and Id be happy to help you answer more but if this is T/F then Ill answer it here right now.


A main-sequence star maintains a stable size as long as there is enough hydrogen to fuse into helium. True or False?

Answer:  True


Hope this Helps, good luck, and comment if you need help on anything else :)

7 0
3 years ago
Why copper is much more expensive than iron?
Andreyy89
Because its is a bit more rare than iron . 
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3 years ago
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You have begun work on a new experiment determining exactly how certain neurotoxins affect the nervous system. After running mul
Lynna [10]

When looking at a Neuromuscular Junction (NMJ), we know that neurotransmitters (NT) are released from the presynaptic cell and they then bind to the receptors that are located on the postsynaptic cell - this causes the effect of the NT being released.

So we are told that NT are still being released, however they are not having an effect. This would mean that they are probably being blocked by something - in this case, it seems that the neurotoxin is the culprit in the blocking of these receptors.

Therefore, if the NT cannot bind to the receptors on the postsynaptic cell, they are not going to have any effect, no matter how much NT is being released.

So the answer in this case is: The neurotoxin is most likely C) Blocking the receptors on the postsynaptic cell.

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3 years ago
20. Summarize each of Newton’s three Laws.
Alenkasestr [34]

Answer:

An object in motion stays in motion unless an external force acts on it.

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2 years ago
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A.

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