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grin007 [14]
3 years ago
11

True or false the center of the earth is very hot

Biology
2 answers:
djyliett [7]3 years ago
7 0
This is true this is true this is true True
Fantom [35]3 years ago
4 0

Answer:

true very true

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Which of these is a function of the blood? a) carry oxygen to the cells b) carry wastes to be removed c) both are functions of b
damaskus [11]

Answer:

c) Both are functions of blood, that is, to carry oxygen to  the cells and also remove wastes from the body.

Explanation:

Blood is a form  of connective  tissue and is made up of red blood cells,  white blood cells, platelets and blood plasma. The red blood cells contains a metallo-protein structure known as hemoglobin. This hemoglobin binds to the oxygen and carry them to the cells and the tissues for proper functioning of them. The waste products like carbon dioxide is carried by the blood from the body tissues to expel it out from the body.

7 0
3 years ago
Eutrophication is caused by _______. a. an increase in nutrients b. a decrease in nutrients c. the introduction of new species o
lord [1]

Answer:

A. An increase in nutrients

Explanation:

By definition, eutrophication is excessive richness of nutrients in a lake or body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

8 0
2 years ago
Over 1,800 mutations have been described within the CFTR gene. These mutations can be readily detected using PCR and DNA sequenc
sertanlavr [38]

Answer:

The correct answer is - option C.

Explanation:

CFTR is a short form of cystic fibrosis transmembrane conductance regulator protein which is caused by a recessive mutation in this protein. This mutation results in the accumulation of mucus in secretory organs.

As the disease is a recessive disease, for the mutant phenotype to expressed both copies of the allele required to be recessive.

The mother is negative for the CFTR. Hence, she will not transfer the mutant allele to her child So, the child would have a wild-type phenotype even if the father having two copies of recessive allele.

Thus, the correct answer is - option C.

8 0
3 years ago
How do you calculate magnification on a light microscope?
aniked [119]

Answer:

In order to ascertain the total magnification when viewing an image with a compound light microscope, take the power of the objective lens which is at 4x, 10x or 40x and multiply it by the power of the eyepiece which is typically 10x.

5 0
3 years ago
A teacher cut an apple into three wedges of the same size.
dexar [7]

I am not entirely sure what you mean by "responding variable" but I'm going to guess  it was the vinegar since it has been used as a  perservative for years.

Hope that helps in some way.

7 0
3 years ago
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