Crust mantle core should be right
I think the answer is "physical"
hope this helps ! :D
Answer:
nature around them, natural world, natural enviornment
Explanation:
Human behavior can often have a big impact on the environment surrounding them.
Instead of preserving the nature that societies depend on, they <em>endanger it</em>.
The most common human effects on nature include <em>air pollution, or the so-called greenhouse gas effect, the overall climate change, intoxicating waters, the excessive utilization of natural resources</em>, etc.
This kind of behavior is also referred to as <u><em>anthropogenic impact</em></u>.
Answer:
He realized that the Earth's crust had been moving away on each side of oceanic ridges, down the Atlantic and Pacific oceans, that were long and volcanically active. He published his theory and it came to be called “seafloor spreading.”
