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exis [7]
3 years ago
13

Describe a sea-level regression.

Biology
1 answer:
givi [52]3 years ago
3 0

Answer:Marine regression is a geological process occurring when areas of submerged seafloor are exposed above the sea level. The opposite event, marine transgression, occurs when flooding from the sea covers previously exposed land.

Explanation:

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The populations living on a rough, steep mountain would have a higher rate of speciation than this living in a large, open grass
exis [7]

The correct answer is option C, that is, have a wider range of environments.  

It has been known that geographic isolation is a general way for the initiation of the process of speciation, like the rise of mountains, rivers changing course, migration of organisms, continental drift, due to this what was once a steady population gets differentiated into two or more kinds of smaller populations.  

A mountain range, due to distinctions in temperature and precipitation as a result of different altitudes, can lead to a higher rate of speciation. Due to these differences, a single mountain range can exhibit an enormous array of biodiversity and climate zones.


6 0
3 years ago
What procedure would prepare agencies for a flu pandemic?
Korvikt [17]
The correct option would be c.

6 0
2 years ago
During photosynthesis, where do the light and dark reactions occur?
vichka [17]
It occurs in the Stroma
3 0
3 years ago
What is the main function of the nucleus and why
AlladinOne [14]

Answer:

it stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, which include growth, intermediary metabolism, protein synthesis, and reproduction (cell division). Only the cells of advanced organisms, known as eukaryotes, have a nucleus.

Explanation:

nly the cells of advanced organisms, known as eukaryotes, have a nucleus.

4 0
3 years ago
What kind of bonding occurs between carbon atoms, allowing carbon to form stable molecules?
brilliants [131]

Answer:

The correct answer is single,double and triple covalent bonds .

Explanation:

A carbon atom can form a single bond with another carbon atom example ethane.

A carbon atom can form a double bond with another carbon atom example ethylene

A carbon atom can form a triple bond with another carbon atom example acetylene.

 But during the formation of  Carbon carbon single bond or double bond or triple bond the valency of carbon atom that is 4 is always maintained.

5 0
3 years ago
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