Answer:
the type of problem that exist are overcrowding within certain places such as some areas in Asia. pollution which is caused by the burning of coal and other fossil fuels for energy which tears the ozone layer into pieces and cause smog within city cause harm to people with asthma or other breathing problems and acid rain which causes harm to the environment and causes global warming which melts the ices caps.
how we contribute, is to use more efficient and clean energy sources such as solar power, wind turbines, hydroelectricity ( the use of water within dams tp create energy), etc. recycle products after use such as soda cans, plastic bottles, etc.
this is all i could come up with i hope this helped
Explanation:
I have no idea, but I wouldn't use Wikipedia.. The "facts" on there aren't always true. That's why we aren't allowed to use it in my high school.
The form of government would be Federalism
Answer: Hierarchical diffusion
Explanation:
Hierarchical diffusion describes a situation where information is first shared amongst certain people such as a group of connected individuals and then those ones spread it as well to others.
This is what happened here. President Obama's tweet was first seen by people who followed him and so were connected to him on Twitter and then as they retweeted it, more people saw it and retweeted it as well leading to the tweet being shared to millions.
Answer:
b. Cumberland Gap Middlesboro
Explanation:
Cumberland Gap Middlesboro located in the United States was considered as a "wind" gap and a low pass, which run through the long ridge of the Cumberland Mountains, situated around the Appalachian Mountains, closer to the junction of the three states namely, Kentucky, Virginia, and Tennessee.
The gap has a V-Shape, with the ridge rises to 600ft above the pass in the south, 900ft above the Pinnacle Overlook towers in the north, and 1,600ft above sea level in Cumberland Mountains.
Hence, the right answer is Cumberland Gap Middlesboro