Answer: b
Explanation: Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock
Most mountainous I think. I'm pretty sure that is right.
The answer is B
Because once the Big Bang happened it formed the 3 different universes
Answer:
1<2
Explanation:
State ONE socio-economic factor that negatively influences sugar cane farming.
The atmospheric layer represented by F is called the ionosphere. It is the upper layer of the earths atmosphere. It is ionized by solar radiation which has an electrical charge. Radio waves can be broadcast all over the world due to the radio waves reaching the ionosphere and reflecting back.
