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Softa [21]
3 years ago
9

The process by which a white blood cell engulfs, digests, and destroys a microscopic foreign invader is known a

Biology
1 answer:
marissa [1.9K]3 years ago
8 0
It might be cellular defence. I'm not completely sure though.
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DNA has two strands. If the sequence of nucleotides of one strand was known, is it possible to use that information to determine
erica [24]

Answer:

Yes , it is possible to make sequence of another nucleotide.

Explanation:

An adenine on one strand is always paired with a thymine on the other strand, and a guanine is always paired with a cytosine . If the sequence of nucleotides on one strand is known, the sequence of the other strand will be automatically known as well.

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5 0
3 years ago
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Natalija [7]

Production of energy using water power

Using electricity or energy-saving products, creation of technology to capture sulfur dioxide are the processes that can be taken into account.

<h3><u>Explanation</u>:</h3>

Acid rain is a very serious issue in the urban areas now a days. Acid rain forms due to the excessive production of gases like sulphur dioxide, nitrogen oxides etc which are beyond the level of absorption by the environment. This gases go up in the atmosphere and they mixes with cloud water to form corresponding sulphuric acid and nitric acid. These acids come along the rain and decrease the pH of the water bodies as well as soil.

If we start using water as the source of our energy production, then we can eliminate the use of coal and other fossil fuels which are chief sources of these gases.

If we can grow some technology to capture these gases before they are released into the environment, then also there will be less problems. Technologies like alkali bath are not so operative in large scales.

We can use electricity in boilers and other places where still, fossil fuels are brunt to produce the heat so that sulphur oxides don't come out.

6 0
3 years ago
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Question 20 of 30
eimsori [14]

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A. The scientist should restart the experiment at a step prior to

contamination.

Explanation:

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How does the author support the statement that the laws of stratigraphy help
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