The cycle takes about about 29.5 days.
Vast parts are inaccessible or have harsh winters and/or hot dry summers. It’s costly to access and use the natural resources from the eastern 2/3s of this huge country. While it has rich multiethnic populations, most of the people live in the nearly landlocked, western portion of the country. This vast plain has been the route for numerous invasions from both the east and the west (the last being the Nazis during WW2).
Answer: Option 4: C
The layer all the way to the bottom is the oldest which is D but D isn’t an option so C is the oldest layer.
Answer:
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
Explanation:
