The answer is A.
A pure substance is pure, so it cannot be separated in most cases.
The action or process of adhering to a surface or object.
Answer:
Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle. ... The lithosphere includes the crust and outer part of the mantle.
Explanation:
Answer : Mass
Explanation : Mass measures the amount of matter in a substance or an object.
