Galileo's moon studies.
Answer: Option B.
<u>Explanation:</u>
Galileo studied about the moon. At that time, the scientists thought that the surface of the moon is very smooth but it was Galileo who discovered that the surface of the moon was not smooth.
He discovered that the moon had small pits which made it's surface rough. The moon has mountains and other features also just like the features of the planet Earth, this was also discovered by Galileo. Along with this he made startling discoveries about Jupiter also.
5.972 × 10^24 kg is the correct answer
Answer:sand dunes
Explanation:
They are man made barriers, made of sand, to protect the coast from erosion from the incoming waves. They also help to control flooding from storm surge.
Some examples of a hydrosphere are:
- Seas – the Black Sea, Caspian Sea, Persian Gulf, Adriatic Sea, Mediterranean Sea, and the Red Sea.
- Glaciers,
- Lakes.
- Rivers.
- Streams.
- Clouds.
<h3>What is a Hydrosphere?</h3>
This refers to the total amount of water on a planet and includes water that is on the surface of the planet, underground, and in the air.
Hence, we can see that some of the components of a hydrosphere are liquid and frozen surface waters, groundwater held in soil and rock, and atmospheric water vapor.
Therefore, Some examples of a hydrosphere are:
- Seas – the Black Sea, Caspian Sea, Persian Gulf, Adriatic Sea, Mediterranean Sea, and the Red Sea.
- Glaciers,
- Lakes.
- Rivers.
- Streams.
- Clouds.
Read more about hydrosphere here:
brainly.com/question/2036054
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