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lisabon 2012 [21]
2 years ago
11

Which of the following is true about acid rain? a. It is more acidic that normal rain. b. It is less acidic than normal rain. c.

All rain is acid rain. d. There is no such thing as acid rain. Please select the best answer from the choices provided A B C D
Biology
1 answer:
Darina [25.2K]2 years ago
8 0

Answer:

A

Explanation:

Acid rain usually has a pH between 4.2 and 4.4, while normal rain has a pH of about 5.6.

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All of the following factors contribute to the differences in complex trait risk predictions between different laboratories, EXC
horsena [70]

Answer:

different assessments of environmental factors

Explanation:

In humans, for predicting the future phenotype of any individual, the PSR is used.

A trait may be defined as the state of a character that is a distinct variation of the phenotypic characteristic of any organism.

The following factors contributes to the differences in the complex trait risk predictions in the different laboratories :

-- differing methods of the combining risk from the multiple genetic variants.

-- genotyping of the different variants.

-- selection of the different genetic variants for such risk determination.

Thus the factor which does not contribute is :

"different assessments of the environmental factors."

3 0
3 years ago
Look at the above marine food web. If the seal were eliminated which organism would not be directly affected?
Murrr4er [49]

Answer:

a

Explanation:

8 0
3 years ago
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In the embryonic stage, what is the term for the inner layer that produces the digestive system, liver, pancreas, and respirator
prisoha [69]
Endoderm is the inner layer, rom which is formed the lining of the digestive tract, of other internal organs, and of certain glands.
6 0
4 years ago
Body cells may produce additional body cells by means of _________. Organisms that reproduce sexually produce gametes by means o
victus00 [196]

Answer: The correct answer for the blank is-

A) mitosis; meiosis

Mitosis is a type of cell division in which a parent cell produces two daughter cells with equal number of chromosomes as that of parent cell. It is essential in repair of damaged tissue and growth of living organisms. This is because body cells produce additional body cells with same genetic material.

Meiosis is another type of cell division that is specific to the sexually reproducing organisms. It is a reductional division as the diploid parent cell produces four haploid, reproductive cells ( called gametes such as eggs and sperms). This means that gamete formation in sexually reproducing organisms occurs through meiosis.

Thus, option A) is the right answer.

4 0
4 years ago
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If we have a vegetarian person who needs 2,000 calories a day, how many calories must the plants they eat produce?
sdas [7]

Answer:

as a vegetarian im confused, wouldnt it be 2,000

Explanation:

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3 years ago
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