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stellarik [79]
3 years ago
7

Please answer the questions fast please science​

Biology
1 answer:
Dmitrij [34]3 years ago
4 0
Can I get brainlyest? And I’ll answer in comments
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One mineral element that forms the Central atom of chlorophyll​
MA_775_DIABLO [31]

Answer:  magnesium atom

Explanation:

magnesium atom

The chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon–hydrogen side chain, known as a phytol chain.

3 0
2 years ago
Which of the following is characteristic of the second stage within a demographic transition? A. The birth rate and death rate a
Naddik [55]
Here's a graph showing the stages. 
Look closely at the second stage-- the death rate is low but the birth rate is high. 
It's <span>D. The death rate begins to fall, but birth rates remain high for a time.</span>

7 0
3 years ago
Read 2 more answers
Which statement explains why approximately half of an individual’s DNA sequence comes from each parent?A. A cell from one parent
Inessa [10]

Answer:

I believe the answer is D, if I’m wrong please tell me!

it might be a.

3 0
2 years ago
a meniscus in a test tube forms when water curves slightly upward at the edge near the glass. This is due to
Bingel [31]
Volume the volume of the test tube is approximately 35cm so the water is 20m/cw   idk if this helps
8 0
3 years ago
Read 2 more answers
The set point is: a) the stage of the sexual response cycle that occurs just before orgasm. b) the body temperature of a healthy
Reil [10]

Answer:

The answer is letter D

Explanation:

<em>The set point is the weight  range in which your body is programmed to function optimally. Set point theory affirms that an indivual's body will fight to mantain that weight range. Evebody is biologically and genetically determined to weigh within a certain weight range. Set points will vary for each individual person. </em>

<em>Scientists estimate that the average person has a set point range about ten to twenty pound rage at which your body will be comfortable and not resist attempts to change.</em>

5 0
3 years ago
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