The Earth's geosphere is made up of iron, oxygen, magnesium, and silicon. All of these elements are chalcogens, or chemical elements.
Answer:
Maybe cultural. I am not sure though
Answer:
Airline companies
Explanation:
United airlines can't get planes out because of quarantine
Answer:
is the most cominform and looks like the branching pattern of tree roots ,it develops and regions under Lane by homogeneous material
Answer:
Google it it's not that hard
