3 years ago

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

1 answer:

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.

You might be interested in

during a 3.00 s time interval,the runners position changes from x1=50.0m to x2=30.5m what was the runners average velocity

UNO [17]

Average velocity is given by the ratio of total displacement /total time taken in order to do that
thus it will be
30.5-50.0/3 = 6.5 m/s

7 0

3 years ago

What does 760mmHg represents??

malfutka [58]

Explanation:

760 mmHg (millimeters of mercury) is a measure of atmospheric pressure. It represents the height of a column of mercury at which the static pressure at the bottom is equal to the atmospheric pressure.

1 atm = 760 mmHg = 101,325 Pa = 14.7 psi

8 0

3 years ago

A skier pushes off the top of a hill with an initial speed of 3.30 m/s. How fast will she be moving after dropping 5.00 meters i

Gala2k [10]

Answer:

eeeeeeeeeeeeeeeeeeeee

8 0

3 years ago

Ion how to do this at all

umka21 [38]

I gotchu, the answer’s elastic potential energy.

4 0

3 years ago

How do you know there is current in a circuit?

Ksivusya [100]

if there is not a reaction

5 0

3 years ago