Answer:
There are several tectonic provinces collectively called as crystalline providences.
Explanation:
- The geology of Appalachians consists of Blue Ridge, Piedmont, Adirondack, and the New England providences. They are known as Crystalline provinces.
- The sinking of the oceans continued about 270 million year ago due to which a huge mass of rocks was pushed westwards along the margins of North America and piled up to form the mountains.
- The Sierra Nevada is the youngest mountain range on the west coast of the United States.
Ts total area is 3,862,000 km2 (1,491,000 sq mi) and its maximum depth is 4,652 metres (15,262 ft).
Answer: Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. ... The human impact on climate during this era greatly exceeds that due to known changes in natural processes, such as solar changes and volcanic eruptions.
Explanation: This should be correct.
Answer:
Use of tools such as GIS and remote sensing.
Explanation:
- In order for the cartographers to have a detailed analysis of the areas to be mapped they need to have the accurate database and this is possible through the use of a Geographic information system that is a spatiotemporal analysis of the earth movements and with the help of satellites data, remotely can help in the formation of useful maps.
The answer to the question above is most likely letter "A. size, brightness, temperature, and composition." All stars are huge spheres of glowing gases. They are most likely made up of hydrogen and some helium. The energy they have is due to the process called Nuclear Fusion.
