2 years ago

Why do comets only have tails when they are near the sun?.

1 answer:

4 0

When far from the sun, a comet is like a stone rolling around the universe. But when it approaches the sun, the heat evaporates the comet's gases, causing it to emit dust and micro particles, electrons and ions.

You might be interested in

3. The nervous system works together to communicate with different parts of the body and with the external environment. Spinal c

Likurg_2 [28]

Answer:

C. mediates communication from the brain to the rest of the body

Explanation:

The brain and spinal cord are your body's central nervous system. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from the body to the brain.

7 0

4 years ago

Read 2 more answers

NEED HELP ASAP!!

Ber [7]

Answer:

it is acidic

Explanation:

4 0

4 years ago

Read 2 more answers

Describe the structure of an atom

scZoUnD [109]

Answer: Atoms consist of 3 particles: protons, electrons, and neutrons. The nucleus of the atom contains the protons and neutrons. The outer regions contain the electrons

Explanation:

5 0

3 years ago

1. A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What will the

Readme [11.4K]

Answer: acute

Explanation:

4 0

4 years ago

Why sound heard better at night than at day?

vodomira [7]

Answer:

it is because it is quieter at night than in the daytime. Therefore it is easy to hear the sound far away. However, it is only one of the reasons. Actually, sound transmits farther at night may be related to refraction of sound waves! First, sound is the vibration of air, and it is a kind of wave motion.

Explanation:

6 0

4 years ago

Read 2 more answers