1.what are the five major trends/periods in u. s. natural resource and environmental policy? 2.what is the endangered species act? what are 'endangered species'? what are "threatened species"? how do species become listed as 'endangered' or 'threatened' under this law? what is involved in 'delisting' a species? 3. name three factors that go into the creation/designation of 'critical habitat'. 4.what is the nuclear weapons complex? list three major facilities in this complex which have been closed down or are slated to be closed down.5. define high level radioactive waste. define low level radioactive waste: what are the classes of llrw and how are they defined?

your answer is b hope that

answerthe above statement is correct(true)

it is very hard for the climatologists to precisely predict how will the global temperatures be changing so there's lots of models, some of which differ significantly, this is due to multiple factors, and probably the most important is the human activity.

humans have been a key factor in climate change around the globe since the start of the industrial revolution, and in the past few decades the consequences are becoming more obvious. there's lots of emission of pollutants in the atmosphere as well as changing the environment on the surface itself, so it's really hard to predict how will that go in the future because there's some countries that are reducing the damage and are going towards green energy, while others are stubbornly continuing with pollution and damages to the environment.