Answer:
People are concerned because humans are pretty dependant on fossil fuels! Did you know 70% of Chinas electricity is Generated from Coal? Thats how dependant we are on Fossil fuels in just one short example,however Fossil fuels aren't bad they are great energy sources! :D Hope that helped ~Feel Free to mark brainliest~
Answer:
Superposition
Explanation:
Superposition. The law of superposition states that a sedimentary rock layer in a tectonically undisturbed sequence is younger than the one beneath it and older than the one above it.
Answer:
False
Explanation:
The Rio Grande rift is one of the major continental rifts in the world where the continental crust is being heated and stretched from below
