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ivanzaharov [21]
2 years ago
13

7. How did scientists determine the age of the ocean floor?

Biology
2 answers:
DiKsa [7]2 years ago
8 0
A. Just did this question and got it right
lara31 [8.8K]2 years ago
6 0

Answer:

a. By Calculating magnetic reversals.

Explanation:

They determine the age of the ocean floor by examining magnetic fields in the planet Earth.

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Characterzied by destructive metabolic exergonic reactions
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Why were garden peas a good choice for a study of heredity?
yan [13]

Answer:

All of the above.

Explanation:

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Garden peas are easy to grow and they can be bred very easily and they have alot of traits that can easily be observed i.e their characteristics are visible and they produce many offsprings.

They are of different varieties.

4 0
3 years ago
11) Assume a population of deer has a crude birth rate of 26 per 1,000/yr, a crude death rate of 15 per 1,000/yr, an immigration
Llana [10]

Answer:

9 per 1,000/yr.

Explanation:

The population growth rate is 9 per 1,000/yr.

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<em>Growth rate = B - D + I - E</em>

<em>Where B = birth rate, D = death rate, I = immigration, and E = emigration</em>

In this case, B = 26, D = 15, I = 7, and E = 9. Substitute these values into the equation of growth rate.

Growth rate = (26 - 15) + (7 - 9)

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<u>Hence, the growth rate of the deer's population is 9 per 1,000/yr.</u>

6 0
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Answer:

b

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