I think they all identify climate regions.<span />
A fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock-mass movement.
During the early earth, when photosynthesis has not yet evolved, there were only negligible amounts of free oxygen in the atmosphere. It was said that the Earth's atmosphere had no free oxygen then. This is about 3.5 billion years ago.
Hello!
Sedimentary rock can be transformed into B. Metamorphic rock through heat and pressure.
Correct answer is B) Primary industries
