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Studentka2010 [4]
3 years ago
9

What is the role of the ozone in the atmosphere?

Biology
1 answer:
Zarrin [17]3 years ago
4 0
Ozone filters the UV radiation (emitting by Sun). By doing that, it keeps our environment safe & healthy.

Hope this helps!
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Which of the following might be a pioneer species in an area where there was recently a lava flow? Choose all that apply. Select
Stella [2.4K]

The answer is most likely to be lichen.

8 0
4 years ago
What is Newton's first law of motion?
love history [14]
Its basically saying something (object) at rest is going to stay there until something moves it like an outside object.
6 0
3 years ago
A postitivly charged atom has? A.Lost electrons B. Lost protons C.Gained electrons D.Gained protons
Kipish [7]

Not to be too picky, but the question ought to say a positively charge ion rather than atom.

I will assume that is what you mean. An ion, using ordinary means, will be positive if it loses electrons (which are negative).

An ion can never gain protons. Left alone, the nucleus will remain unchanged for the rest of eternity. D is wrong.

C is wrong. If electrons are gained, the ion will go negative.

B is wrong for the same reason D is. An ion can't gain protons and it can't lose them.

A is the answer.

6 0
3 years ago
The green data point at June 2011 shows a proportional change of about________ , which means that the native fish population____
Orlov [11]

Answer: The appropriate information that will be used to fill the blanks includes the following respectively:

-1.7

- increased

-70%

- 0.5

- decreased

- 50%

Explanation:

The green (topmost) data point at June 2011 shows a proportional change of about 1.7, which means that the native fish population INCREASED by about 70 percent when 95 percent of the lionfish were removed. In contrast, the orange data point at June 2011 shows a proportional change of about 0.5, which means that the native fish population DECREASED by about 50 percent when only a quarter of the lionfish were removed (a result that was almost the same as when none of the lionfish were removed).

The native fishes are being haunted by the lion fish, from the results, removing just few of the invasive lion fish will not make a difference. In other to help the native fish survive, many of the lion fish has to be removed.

8 0
4 years ago
Bacteria cause diseases by
Galina-37 [17]
D because destroying toxens and destroying tissues are caused by bacteria

4 0
3 years ago
Read 2 more answers
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