Answer:
1 AU is the astronomical units closest to the distance of the earth to the sun
The correct answer is D. ocean floor mapping and earthquake tracking
Tracking earthquakes is helpful because it shows where it came from and what caused it, as well as how it affected the environment, while ocean floor mapping is useful because it shows how the bottom of the sea changed over time which happens due to tectonic activity.
Well the U.S.A was the winning group and its allies.
Hope IT helped :D
Tectonic landform, any of the relief features that are produced chiefly by uplift or subsidence of the Earth’s crust or by upward magmatic movements. They include mountains, plateaus, and rift valleys.
If the region rises in population it will most likely cause a bigger scarcity in water, which may lead to a drought. A drought can ruin crops and leave land dry.
