What is the molecular mass for the gas C8H18

Which statements describe continental crust? select the three correct answers. a-it is formed in all parts of the continents. b-it is made mostly of volcanic rock. c-it is destroyed by melting near the top of the mantle. d-it is less than 10 km thick. e-its ages ranges from very young to more than 4 billion years old.

Doing a science fair project should i do cafeteria waste or solar power

What drifted apart millions of years ago to create two different worlds