These corrosive chemicals can cause severe burns on eyes, skin and, if ingested, on the throat and esophagus. Ingredients with high acute toxicity include chlorine bleach and ammonia, which produce fumes that are highly irritating to eyes, nose, throat and lungs, and should not be used by peo...
asp 害怕 [translate] asreet sreet [translate] aLoyalty singing is nice 忠诚唱歌是好的 [translate] aWinter salt are placed in the back storage area, it should be stored separately together with the toxic chemicals. 冬天盐在后面贮存区,它安置应该与毒性化学制品一起分开地存放。 [translate] ...
Scientists first became concerned about the ozone layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter.The hole was caused by chemicals used in refrigerators and air conditioners.When these chemicals are sent out into the atmosphere,they produce gases...
However, during the winter, it is difficult to attract the animals to cameras hidden in snowy forests. A group of students heard about the problem and created a special device which 3. (test) deep in a snowy forest now. Their invention 4. (use) to send out a certain smell near ...
aAfter a mild winter, expect a bumper crop of mosquitoes this year. The winged pests are known to bite some people more than others -- possibly attracted by body chemicals released by stress 在一个温和的冬天以后,今年期待蚊子大丰收。 飞过的虫更比其他知道咬住某些人 -- 由重音发布的身体化学制...
Scientists first became concerned about the layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter.The hole was caused in chemicals used in refrigerators and air conditioners.When these chemicals are sent out into the atmosphere, they produce gases that...
Snow reflects most of the energy from the Sun, so it contributes to the low temperatures of winter. Dark-colored surfaces, such as dark soil or forest, absorb more energy and help warm the surrounding air. What is the major source of evaporation of water from the oceans and lakes? A....
Too many dangerous chemicals are in too many of our homes.Reports on the presence of dangerous chemicals in the household. Importance of reading labels; Dangerous chemicals such as methylene chloride, dichlorvos, formaldehyde and benzene.Winter
Scientists first became concerned about the layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter.The hole was caused in chemicals used in refrigerators and air conditioners.When these chemicals are sent out into the atmosphere, they produce gases that...