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gregori [183]
3 years ago
13

Which of the following is part of the mechanical layers of the Earth?

Biology
1 answer:
Sergio039 [100]3 years ago
3 0
Answer A
Thats the top layer of the earth
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Algae are at the first trophic level. Flagfish are in the second trophic level. When a Flagfish eats algae, what percent of ener
dangina [55]

b. 10% of energy is transferred from the first to the second trophic level.

Explanation:

In trophic level flow of energy is one way, only a small amount of energy get transferred with the organism. A large amount of energy gets dissipated in life processes like respiration, reproduction and digestion. The energy is also released as waste product. Thus, only ten per-cent of the total energy is present in the organism.

The energy transfer does not depend on the number of trophic levels.

Each trophic level receives the 10% energy from the previous trophic level as when algae is eaten by flagship.

7 0
3 years ago
A metal in group 16 of the periodic table can become a chemically stable ion by
vova2212 [387]

Answer : A metal in group 16 of the periodic table can become a chemically stable ion by gaining 2 electrons.

Explanation :

The group 16 element are oxygen, sulfur, selenium, tellurium and polonium.

The general electronic configuration of group 16 elements is, ns^2np^4

As we now that there are total 6 electrons in p sub-shell. So, a metal in group 16 can become a chemically stable ion by gaining 2 electrons.

M+2e^-\rightarrow M^{-2}

Hence, a metal in group 16 of the periodic table can become a chemically stable ion by gaining 2 electrons.

6 0
3 years ago
The ______ ____________ (two words) separates the prokaryote internal environment from the external environment and is made of t
miskamm [114]

Answer:

The answer is Plasma Membrane

4 0
3 years ago
I have a cut on my toe. What do I need to do to make new skin cells to repair my toe?
babymother [125]

Mitosis will be needed to make new skin cells to repair my toe

Explanation:

The process of mitosis produces new cells which are required for the growth and repair of the cells and the body. In case of cut and damage mitosis produces identical cells and helps repair the damage caused by injury.

7 0
3 years ago
What is uncoiled stringy DNA called
Bond [772]

Answer: chromatin

Explanation:

What is uncoiled, stringy DNA called? It is called chromatin. How many pieces of chromatin does a human diploid cell have? Human diploid cells have 46 pieces of chromatin.

8 0
3 years ago
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