The ozone layer is affected because of emissions from earth and deposition in the stratosphere of compounds such as bromofluorocarbons (halons), chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), CO2, nitrogen oxides (NOX), chlorinated carbons, methyl bromide (CH3Br), methane (CH4), and...
The depletion of the ozone layer, which is primarily caused by the excessive release of certain chemicals, has led to a significant increase in ultraviolet radiation reaching the Earth's surface. In this sentence, the word "depletion" can be best replaced by _....
Ozone layer is being depleted. This is due to : ANO emission from supersonic jets Bchloroflurocarbon used as aerosols Cboth (A) and (B) Dnone of the aboveSubmit The depletion in the ozone layer is caused by: Anitrous oxide Bcarbon dioxide Cchlorofluorocarbons DmethaneSubmit Depletion of...
The ozone layer is very important for the earth because it ___. A. makes the sky look blue B. provides a lot of oxygen for us C. protects us from too much ultraviolet radiation D. keeps the E. arth warm 相关知识点: 试题来源: 解析...
New data has___that the damage to the ozone layer is not confined to the southern hemisphere. A.ratifiedB.confirmedC.assuredD.approved 相关知识点: 试题来源: 解析 B [解析] B项“confirmed证实”符合题意。如:Please confirm your telephone mes sage by writing to me.(请给我来封信,好进一...
Damage to Ozone layer Gets Worse In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer. The warning is: The sun’s summertime rays
Earth's protective ozone(臭氧) layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctic a in about 43 years, a new United Nations report says. The layer of ozone in Earth's atmosphere shields the planet from harmful radiation linked to skin cancer, ca...
The ozone layer is a thin concentration of ozone gas that exists in the stratosphere. The ozone layer has been damaged in the past due to human production of chlorofluorocarbons (CFCs) and other fluorinated gases. However, due to a ban on these chemicals, the ozone layer is regenerating....
根据第一段Earth's protective ozone(臭氧) layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years,a new United Nations report says. (一份新的联合国报告称,地球保护性臭氧层正在缓慢但明显地愈合,其速度将在大约43年内完全修复南极洲上空的...
Discusses the depletion of Earth's ozone layer and President George Bush's order that the production of chemicals that destroy ozone be stopped by December 31, 1995. Order involves a family of chlorine-and bromine-based chemicals; Ozone layer protects against ultraviolet radiation; Prediction by ...