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Jobisdone [24]
3 years ago
5

What is the name for the percentage of space not occupied by solid matter in soil?

Biology
2 answers:
Crazy boy [7]3 years ago
6 0

Answer: Porosity

Explanation: Porosity is the ratio of volume of pores to the total volume of soil. This ratio varies between 0 and 1, or  between 0% and 100% as a percentage.

Porosity=\frac{\text {volume of pores}}{\text {Total volume}}\times 100\%

Porosity is also called as void fraction and  is a measure of the empty spaces present in a material. Thus a porous soil will have more amount of  air and less porous soil will have less amount of  air.

A porous soil is made from coarse particles that leave large gaps known as pores.

Debora [2.8K]3 years ago
3 0
The name for the percentage of space not occupied by solid matter in soil is called "porosity".  

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Answer:

25%

Explanation:

According to this question, a seek stored seeds of a rare and endangered plant. In order to ensure that the seeds remain fresh, 120 seeds are selected to be grown. However, out of these 120 seeds, only 90 germinated. This means that only 90 of 120 seeds are fertile.

This further means that (120-90) = 30 seeds are infertile and hence, could not germinate. In percentage, this can be represented as:

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8 0
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emmainna [20.7K]

Answer:

Ss × ss

Explanation:

This question involves a single gene coding for hair length in guinea pigs. The alleles for short hair (S) is dominant over that of long hair (s).

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Damm [24]
ANSWER: i think it’s D

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