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Evgesh-ka [11]
3 years ago
15

What is electromagnetic wave

Biology
2 answers:
oksian1 [2.3K]3 years ago
5 0

One of the waves that are propagated by simultaneous periodic variations of electric and magnetic filed intensity and that include radio waves, infrared,visible light, ultraviolet, X-rays, and gamma rays.

kykrilka [37]3 years ago
3 0

Answer:

electromagnetic radiation refers to the waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy.

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What is the function of the ascending and descending tracts in the medulla oblongata? (module 13. 4c)
kakasveta [241]

The medulla has the ascending and the descending tract which function to link the brain with the spinal cord.

<h3>What is the role of medulla?</h3>
  • Medulla oblongata is the lowermost part of the brain.
  • It is located at the place where the brain and the spinal cord connect thus it carries nerve signals between the brain to spinal cord thus help the entire body to communicate.
  • It controls biological processes like blood pressure, breathing and heartbeat.
  • Ascending tract functions to carry sensory information from the body (e.g.: pain) from the spinal cord to the brain (upwards).
  • Descending tract carry motor information (e.g.: instructions to move the arm) from the brain down the spinal cord to the body (downward).
  • Damage to medulla can lead to respiratory failure, paralysis, or loss of sensation.

Learn more about medulla here:

brainly.com/question/26723889

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5 0
2 years ago
How are freshwater and seawater alike?
lesantik [10]

Answer:

H20

Explanation:

They are both water and carry oxygen for animals

5 0
3 years ago
A new discovery is peer-reviewed by other scientists. The scientists asked many
neonofarm [45]

Answer:

When scientists conduct an experiment and analyze the results, the next step is to write up a report that describes the experiment and the results and submit it for publication in a scientific or medical journal that is “peer reviewed.”

3 0
2 years ago
Which of the following is not a characteristic of all living things ?
Gemiola [76]
A)Movement
Tress or plants can't move they can grow, reproduce and evolve but not move.
3 0
3 years ago
1. There are 200 bones in the human body. 2. The skeleton is the structural arrangement of bones in the human body. 3. A bones a
Andrews [41]

Answer:

Salmat po

Explanation:

sorry i can send the answer he said "We dont use rude word here, please change"

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