CO2 — a naturally occurring gas that is also emitted at great levels by human activity — is one of several greenhouse gases in our atmosphere. Other greenhouse gases include water vapor, methane, ozone, nitrous oxide and halocarbons. To understand the impact of these gases, we first start ...
Humans don’t play by the same rules that nature does. When we extract, refine, transport, and burn fossil fuels like coal, natural gas, and oil, we release extra carbon and other greenhouse gasses into the atmosphere. We also cut down large expanses of CO2-absorbing trees to make way ...
It might look like a strange activity to humans, but tail-chasing is a way for dogs to burn off some energy. In most cases, they're doing this for one of two reasons: 【1】.If a dog doesn’t have anything (or anyone) to play with, it might need to entertain itself—in this ...
()3. Dirty air is more noticeable___ the fumes and the waste. A. becauseB. forC. asD. because of ()4. —Why do you plant so many trees around your house? —Because trees can___ CO2. A. turn intoB. burn upC. give outD. take in ()5. —I think CO...
B.To ask for an extension on payment due C.To notify the cpent that the account has been settled D.To offer a special type of a service 免费查看参考答案及解析 题目: 119 According to the letter, why is bus travel better than air travel A.Airpne schedules are not repable B....
Industrial livestock farming is unsustainable and unethical. Eating meat and dairy causes ill-health and climate change. What can we do?
CO2 is a chemical in our atmosphere but humans make too much of it. Each person makes about 2.3 tons a year which is bad for the environment. Well guess what! Planting new trees is important because people cut down a huge number of trees. Last year there were 3 trillion trees in the...
That’sabiggoal,andyoumightwonderwhytreesaresoimportant.Becausetheycantakeincarbondioxide(CO2)andprotecttheairquality(质量).CO2isachemicalinouratmosphere,buthumansmaketoomuchofit.Eachpersonmakesabout2.3tonsayear,whichisbadfortheenvironment. Wellguesswhat!Plantingnewtreesisimportantbecausepeoplecutdownahugenumber...
Nonrenewable resources areusually bad for the environment. Most nonrenewable energy resources produce carbon dioxide as a byproduct. The CO2 gets trapped in the atmosphere and is the main cause of climate change, according to most climatologists. ...
There is considerable similarity between all published genetic sequences for the SARS-CoV-2 virus in humans, which suggests that the outbreak began with the virus moving into the human population at one point, in time that first reports appeared. However, researchers do not currently know the ...