Unlike Earth, the moon doesn’t have a strong atmosphere. This means that any space debris or space rocks that go into the moon’s very weak atmosphere will not start to burn and get smaller like here on Earth.
To put it short, it’s because the moon doesn’t have a strong atmosphere like Earth.
Bonus: The moon doesn’t have erosion, so craters will always be there unless something major happens
No. It is the other way around. When you sell a product to another country, you are exporting your product. The country buying your product is the importer as they are bringing the product into the country by buying it.