Answer:
impact of particles from space
Explanation:
Impact of particles from space causes the erosion of rocks on the moon’s surface
The answer is, I believe, the Grand Canyon.
Answer:
In 2002, North Korea announced that it was changing to a free market economy ( last choice).
Answer:
Rocks
Explanation:
Rocks because those 4 planets Mercury, Venus, Earth, and Mars are rocky planets. Also, this is a tip, anytime you are forgetting the order of the planets, use this term:
My
Very
Excellent
Mother
Just
Served
Us
Nachos
It will help you remember the actual order which is
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
