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aleksandr82 [10.1K]
3 years ago
14

Why must scientists use satellites to gather data on Uv radiation

Biology
1 answer:
Lostsunrise [7]3 years ago
7 0

Answer:

because it would be dangerous to do it by hand or skin.

Explanation:

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Suppose that a biochemist performs an experiment that indicates that the recommended daily allowance of Vitamin E (C29H50O2) sho
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Answer:

<em>The correct option is C) 1 only</em>

Explanation:

It would be necessary to ask from the scientist about the group of people  on which he performed his experiment because it might be that certain other factor was the influence for the change in the requirement of Vitamin E, It might be that the people of that specific area or country might have a Vitamin E deficiency due to which there requirement was more for Vitamin E. Or there might be any other environmental or genetic factor influencing the change.

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4 years ago
You have a large bottle of 2% saline solution in the lab (2% NaCl, which is sodium chloride). You need 5 ml of 0.1% saline for a
zvonat [6]

Answer:

volume of 2% saline (V₁) = 0.25ml

volume of water = 4.75ml

Explanation:

The requirement in the question is to obtain 0.1% of NaCl from 2% NaCl, and the process is dilution. The general dilution equation is guven by:

C₁V₁ = C₂V₂

where:

C₁ = initial concentration = 2%

V₁ = initial volume = ?

C₂ = final concentration = 0.1%

V₂ = final volume = 5ml

C₁V₁ = C₂V₂

calculating for V₁

∴ V₁ = (C₂V₂) ÷ C₁

= (0.1% × 5) ÷ 2%

V₁ = 0.25ml

Now, let us calculate the volume of water needed:

V₁ + Volume of water = V₂ (volume of 0.1% NaCl)

0.25 + volume of water = 5

volume of water = 5 - 0.25

volume of water = 4.75ml

8 0
3 years ago
The ultimate product of transcription and translation is the formation of _________.
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Because it is personal higuen
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