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cupoosta [38]
2 years ago
5

Please help me! I need this done!

Biology
2 answers:
FinnZ [79.3K]2 years ago
6 0

The moon covers the sun, during this the earth on which it happpens, the earth is shadowing, untill it is over.

Artist 52 [7]2 years ago
3 0

When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse. ... But lunar eclipses do not occur every month because the Moon's orbit is tilted five degrees from Earth's orbit around the Sun.

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The endocrine system acts through chemical messengers called- -
3241004551 [841]


The best answer is D.

Hormones are chemical messengers  secreted mostly into blood and also extracellular fluid by specialized tissue of the endocrine system and affect the functioning of other tissues or cells.

Most hormones circulate in blood and come in contact with essentially all cells, but a particular hormone will only affect a limited number of cells, which are termed as target cells to that hormone.

A target cell responds to a particular  hormone because it bears receptors for that hormone.

For example the red blood cells have receptors for the  hormone called insulin which is produced by the pancreas. The red cells are able to take in glucose  when their receptors bind to insulin. 

7 0
3 years ago
Although nitrogen gas makes up 78% of the atmosphere, we can't use it because _____.
aev [14]
Although nitrogen gas makes up 78% of the atmosphere, we can't use it because nitrogen atoms must be broken apart first before. This nitrogen is very much packed and bonded with its atoms and would be useless to use since it can't be used for plants. 


4 0
3 years ago
Read 2 more answers
What must happen to the agent of erosion (wind or water) in order for deposition to occur?
Gnoma [55]

I am pretty sure that it is D

With decomposition, the final deposition of particles(sediments) usually occurs at the mouth of a stream. Then a process called horizontal sorting occurs where the sediments that were once carried down are arranged from big to small. Decomposition in streams takes time so the speed of the water and wind should not affect it nor should gravity or the direction. Streams cannot change direction either unless human involement occurs

Hope this helps :)

8 0
2 years ago
I don’t get number 1 and 4
marta [7]

I don't get it either I just want the brainy points lol

6 0
3 years ago
Read 2 more answers
The notion that the traits that help a species survive and reproduce are passed along more frequently than those that do not (i.
beks73 [17]

Answer:

Natural selection

Explanation:

According to  Darwin's theory, natural selection is the process by which individuals better adapted to their environments have more chances to survive and reproduce, and thereby their descendants will be better represented in the next generation. This mechanism exploits the existence of natural variation among members in the population which is used to select those individuals that are better adapted (i.e., with a higher adaptive fitness) for their environments. Natural selection is a key mechanism of evolution by which species change across time.

3 0
3 years ago
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