Answer:
Trenches are not found int he Appalachian mountain province today.
Explanation:
1 is not correct because there is an abundance of metamorphic rocks, which is not weird considering the age of this mountain range.
2 is not correct because this mountain range has been close to intense volcanism during its formation, so it still has some of the volcanic rocks preserved.
3 is not correct because there are a lot of folded and faulted mountain ridges, many of which are visible at the surface today.
4 is not correct because these mountains rose from the ocean, so there are remnants of an ancient floor at places.
5 is not correct because with the erosion over hundreds of millions of years, valleys have been gradually formed at the periphery of this mountain range.
6 is not correct because the top layers of this e range are predominantly made of sedimentary rocks.
7 is correct because the trenches that existed in this area have disappeared a couple of hundreds of millions of years ago, mainly because the area has been gradually moving away from the tectonic boundaries and became an area that is tectonically inactive.
Yes, this is true. Nomads are people who travel according to where their resources are.
Answer:
The Arctic fox (Vulpes lagopus) was thought to have evolved in Europe as the ice sheet expanded when a glacial period swept the Earth about 2.6 million years ago. so that means it evolved from Tibetan ice foxes
Explanation:
Answer:
Option A (broke down trade barriers) is the appropriate choice.
Explanation:
- NAFTA seems to have been a contentious trading relationship agreed to sign which progressively removed that very many tariff barriers to exchange throughout commodities having to pass only between the U.S and other two regions.
- The agreement succeeded in creating a coalition of international markets between the third biggest regions such as North America.
The other alternatives aren't related to the type of situation in question. Therefore this response seems to be the correct one.
1.B. Carbon dioxide
2.A. Beginning of mass extinction
3.C. Fossil fuels