1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
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.
You might be interested in
According to recent research, ice skaters are able to glide smoothly across the ice because _____.
nekit [7.7K]
In the blank should go of friction.
8 0
3 years ago
Which of the diagrams below illustrates sound waves generated by a siren
stepladder [879]

Diagram D. shows the sound waves generated by a siren

that is moving with constant speed to the left.

A sound wave is the sample of disturbance caused by the movement of strength journeying thru a medium because it propagates far away from the supply of the sound. Sound waves are created by using object vibrations and bring strain waves, for example, a ringing cellular phone.

Sound waves fall into three classes: longitudinal waves, mechanical waves, and strain waves. keep studying to find out what qualifies them as such. Longitudinal Sound Waves A longitudinal wave is a wave wherein the movement of the medium's debris is parallel to the course of the energy transport. Sound propagates via air or different mediums as a longitudinal wave, in which the mechanical vibration constituting the wave occurs along the direction of propagation of the wave.

Learn more about sound waves here:-brainly.com/question/1199084

#SPJ9

3 0
1 year ago
Why does soil take so long to form?
Nadya [2.5K]
The time needed to form a soil depends on the latitude: in environments characterized by a mild climate, it takes 200-400 years<span> to form 1 cm of soil. in wet tropical areas soil formation is faster, as it takes</span>200 years<span>. in order to accumulate enough substances to make a soil fertile it takes </span>3000 years<span>.

Hope it helps! :-)</span>
4 0
3 years ago
Based on the map, which area has a scarcity of fresh water?
Westkost [7]

Answer:

North Africa

Explanation:

Hope this helps

6 0
2 years ago
Read 2 more answers
If an object has a mass of 25 grams and a volume of 5 mL, then what is the density of the object?
vazorg [7]

Answer:

5

Explanation:

density = mass/volume

density = 25g /5 mL

density = 5

6 0
3 years ago
Other questions:
  • Which of the following is the best example of a compression force?
    6·2 answers
  • A Net Force of 9.0 N acts through a distance of 3.0 m in a time of 3.0 s. The work done is?
    8·2 answers
  • Conduction stops when all substances have
    14·2 answers
  • Which is not an example of how an object gains elastic potential energy by stretching?
    11·1 answer
  • A parent swings a 13.5 kg child
    13·1 answer
  • An object weighs 32 newtons. What is its mass if a gravitometer indicates that g = 8.25 m/s?
    15·1 answer
  • The absorption line spectrum shows what we see when we look at a hot light source (such as a star or light bulb) directly behind
    11·1 answer
  • A branch falls from a tree How fast is the branch moving after 0 28 seconds
    9·1 answer
  • PLEASE HELP!!!!!!!! NEED DONE SOON!!!
    13·2 answers
  • demonstrate in a brief paragraph how the search to explain planetary orbits exemplifies the scientific method and then use of mo
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!