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garik1379 [7]
3 years ago
14

About how often is a full moon observed from the Earths surface?

Biology
1 answer:
schepotkina [342]3 years ago
6 0
It is c sir ggggyyhhhhhhh
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60 POINTZ
matrenka [14]

Answer by Mimiwhatsup: A one step process where one atom of helium is generated from four atoms of hydrogen.

Why: "Hydrogen fusion (nuclear fusion of four protons to form a helium-4 nucleus) is the dominant process that generates energy in the cores of main-sequence stars. It is also called "hydrogen burning", which should not be confused with the chemical combustion of hydrogen in an oxidizing atmosphere." (Wikipedia)

5 0
3 years ago
Which of the following scenarios are examples of positive-feedback mechanisms? Check all that are correct.
solong [7]

Answer:

Option (1), (3) and (5).

Explanation:

Positive feedback mechanism also exist in the environment that increases the causative effect of the environment. The environment can change the temperature, precipitation and other climatic conditions of the area.

The lack of moisture in Sahara desert and deforestation can cause the trees extinction. The temperature can be increased by the green house gases as the warm atmosphere causes evaporation. The snow gets melted due to increase in temperature and the ground becomes more darker.

Thus, the correct answer is option (1), (3) and (5).

5 0
4 years ago
What happens to pepsin when it leaves its
den301095 [7]

Answer: It becomes inactivated

Explanation:

Since enzymes are proteinous in nature, they perform best at a particular physiological temperature, pH and location.

So, once pepsin gets transferred to duodenum (where trypsin) is located, it becomes inactivated because it functions best in the acidic medium of gastric gland, whereas pancreas has an alkaline medium.

Thus, alkaline pH of the duodenum will coagulate and inactivate pepsin.

5 0
4 years ago
Help please!! I will mark brainliest
pochemuha

Answer:

  1. outcome: BB, BB, Bb, Bb; phenotype: all blue genotype: BB, BB, Bb, Bb
  2. Cc, Cc, Cc, cc; cleft, cleft, cleft, and no cleft; genotype: Cc, Cc, Cc, cc

Explanation:

  1. you a make a punnet square

the homozygous: BB

the hybrid: Bb

2. hetero: Cc

not cleft: cc

7 0
3 years ago
________________ and _______________ reactions are both parts of photosynthesis. A) Variable; fixed B) Single; and double replac
Paul [167]
C) should be correct
7 0
3 years ago
Read 2 more answers
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