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ValentinkaMS [17]
3 years ago
9

Which type of wave has a frequency just higher than violet visible light and is used by the skin to produce Vitamin D?

Physics
1 answer:
ANTONII [103]3 years ago
4 0
Ultraviolet rays can help us get vitamin D, but they can also damage or skin if w are exposed for too long.

Your answer is D.
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Answer:

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Explanation:

Calculate speed, distance or time using the formula d = st, distance equals speed times time.

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You can use this formula for any question like this

8 0
2 years ago
PLEASE HELP ASAP!! What are 3 types of forces acting on your marshmallow (or other flying object) when it impacts it’s target? C
Alekssandra [29.7K]
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3 years ago
Given:A=6x-2y B:-4x-8y C:-3x+9y. Commute A+B-C
DedPeter [7]
<span>A+B-C
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(</span>6x - 2y) + (-4x - 8y) - (-3x + 9y)
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8 0
3 years ago
I need to Swap the convergent lens to a menisc Congergent one And make a graph like the attached photo
weeeeeb [17]

A convergent meniscus lens is a lens that is composed of two spherical surfaces, like the on shown next:

The imaginary line that runs through the middle of the lens is the "symmetry axis".

In this type of lenses incident parallel beams of light converge in one point, as follows:

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4 0
1 year ago
The diagram represents two charges, q1 and q2 separated by a distanced "d" which change would produce the greatest increase in t
ollegr [7]

Answer:

The diagram represents two charges, q1 and q2, separated by a distance d. Which change would produce the greatest increase in the electrical force between the two charges? *

Explanation:

doubling charge q1, only

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