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3 years ago

One way that mining for mineral resources damages land is by?

Biology

2 answers:

ValentinkaMS [17]3 years ago

6 0

Well it does increase soil erosion.

sasho [114]3 years ago

6 0

The correct answer is D. Increasing soil erosion

Explanation:

Mining refers to the process of extracting minerals such as coal, chalk, limestone, etc that are usually placed on underground deposits. Because of this, mining often involves excavation, although other methods use substances and chemicals to extract the mineral. In all of this cases, the natural properties of the soil are negatively affected as vegetation is often removed along with multiple soil layers, this leads to soil erosion due to the damage in the soil and the lack of vegetation that make the soi dry and in most case infertile. Therefore, one way mining for mineral resources damages land is by increasing soil erosion.

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Which of the following describes the role of nitrifying bacteria?

Nastasia [14]

Answer:

They are microorganisms that are important in the nitrogen cycle as converters of soil ammonia to nitrates, compounds usable by plants.

Explanation:

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3 years ago

Imagine that you've discovered a regulatory sequence thousands of base pairs away from the promoter and that when this sequence

Tresset [83]

Answer:

An Enhancer

Explanation:

Enhancers are the regulatory sequences and are generally located 80-160 base pairs upstream of the transcription start site. Enhancers have bidirectional elements that are involved in the initiation of transcription. Enhancers serve as the binding sites for activators to increase the concentration of activators in the vicinity of the promoter and thereby increase the rate of transcription of the gene.

According to the given information, the loss of a regulatory sequence led to a reduced level of transcription of the gene. This means that the regulatory sequence was involved in the upregulation of transcription. The presence of the sequence far away from the promoter makes it an enhancer.

4 0

3 years ago

Question 5(Multiple Choice Worth 3 points)

inna [77]

Answer:

D or C ( I am going with D)

Explanation:

I believe it would be c or d

8 0

3 years ago

Why is it important that living organisms not reach equilibrium in the concentrations of oxygen and carbon dioxide?

Mashcka [7]

Answer:

The living organisms must not reach equilibrium in the concentration of oxygen and carbon dioxide so that the Exchange of gases continues . Otherwise respiration and photosynthesis will stop.

Explanation:

Gases move along the concentration gradient i.e. from their higher concentration to lower concetration.
If living organisms reach a equilibrium of carbon dioxide and oxygen concentration, then The gases will not move in and out of the cells.
This is because at state of equilibrium the concentration of gases on both side become equal and the movement completely ceases.
If gaseous exchange in the body stops the process of respiration and photosynthesis in Plants and respiration in animal will completely stop.

8 0

3 years ago

What is the outcome when a cell undergoes meiosis?

tankabanditka [31]

Answer:

four haploid cells.

Explanation:

meiosis is a reduction division where the contents are equally divided in two cells and so the genetic material becomes half.

during mitosis he genetic material doubles first and then the cell divides

but for meiosis the cell divides first and the genetic material replicates later in the second phase of cell division,because two divisions take place in one cycle the result is four cells.

6 0

3 years ago