Over the five months, the scientists didn’t see any signs that the cows’ stomachs were getting used to the seaweed and starting to produce more methane again. What’s more, the cows that were led seaweed gained just as much weight as the other cows.(结果出乎意料地好。在某些情况下,...
Cowsproducemuchmethane(甲烷),theworld'ssecondworstgreenhousegas,astheybreakdownthegrass.Theyarealargesourceofthegreenhousegasesthataredrivingclimatechange.Nowscientistshaveshownthepollutionfromcowscanbereducedbyaddingalittleseaweed(海藻)totheirfood.Recently,theresearchersfromtheUniversityofCaliforniastudied21cowsonafarm...
According to scientists, the methane cows belch out while turning feed into food is a far more powerful greenhouse gas than even the carbon dioxide produced by burning fossil fuels. Researchers at an experimental farm run by Scotland's Rural College believe that they have found a way to satisfy...
1. B, 细节理解题,根据第一段内容, One cow can release up to500 liters of methane(甲烷) each day. Cows produce more harmful gas than any other livestock (家畜).可知,对环境产生较大危害的是其他家畜,即B符合题意,故选B。2. C,细节理解题,根据第四段内容可知,He tested more than 40 kinds...
根据“This forms methane, an invisible gas. Nearly all animals r...this gas, often by burping”可知动物通过打嗝释放气体,release“释放”,是动词, 主语是复数,动词用原形,故填(r)elease。(6)题详解: 句意:由于甲烷比二氧化碳拥有更多的热量,难怪人们指责奶牛!“Due to the fact that methane holds ...
Scientists say the world's 1.5 billion cattle, each producing up to 500 litres of methane a day, are significant contributors toclimate change. The greenhouse gas has more than 80 times the warming power of carbon dioxide during its first 20 years in the atmosphere. ...
Cows produce much methane (甲烷) the world’s second worst greenhouse gas, as they break down the grass. They are a large source of the greenhouse gases that are driving climate change. Now scientists have shown the pollution from cows can be reduced by adding a little seaweed (海藻) to ...
Here are 28 Interesting Cow facts. 1-5 Cow Facts 1. Cows' farts +burps are more damaging towards the environment since Methane gas is 20x more powerful than CO2. Each cow releases 200-400lbs per yr methane through flatulence. French company Valorex SAS i
Gas exchange Daily CH4emission decreased linearly with increasing dose of iodoform from 423 g/day at 0 mg/day to 94.9 g/day at 800 mg/day. This decrease was accompanied with a dramatic increase in H2emission (Table4). Methane yield, expressed as g CH4/kg DMI, decreased with increasing do...
For a start,all animals,such as cows,pig and sheep,release a gas named methane,which is.这里的主谓用逗号隔开是因为such as cows,pig and sheep这个插入语 句子的主语是 all animals Today many people have come to realize that to help the environment and for the human race to ...