首页
登录
职称英语
Biologist know that some marine algae can create clouds by producing the gas dim
Biologist know that some marine algae can create clouds by producing the gas dim
游客
2025-02-20
9
管理
问题
Biologist know that some marine algae can create clouds by producing the gas dimethyl sulphide (DMS), which reacts with oxygen in air above the sea to form solid particles. These particles provide a surface on which water vapor can condense to form clouds. Lovelock contends that this process is part of global climatic-control system. According to Lovelock, Earth acts like a super organism, with all its biological and physical systems cooperating to keep it healthy. He hypothesized that warmer conditions increase algal activity and DMS output, seeding more clouds, which cool the planet by blocking out the Sun. Then, as the climate cools, algal activity and DMS level decrease and the cycle continues. In response to biologists who question how organisms presumably working for their own selfish ends could have evolved to behave in a way that benefits not only the planet but the organisms as well, cooling benefits the algae, which remain at the ocean surface, because it allows the cooled upper layers of the ocean to sink, and then the circulating water carries nutrients upward from the depths below. Algae may also benefit from nitrogen raining down from clouds they have helped to form. [br] According to the passage, which of the following occurs as a result of cooling in the upper layers of the ocean?
选项
A、The concentration of oxygen in the air above the ocean’s surface decreases.
B、The concentration of DMS in the air above the ocean’s surface increases.
C、The nutrient supply at the surface of the ocean is replenished.
D、Cloud formation increases over the ocean.
E、Marine algae make more efficient use of nutrients.
答案
C
解析
根据第七句,海洋上层降温后,水发生循环,底层的营养会被带到上层。因此C正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3965067.html
相关试题推荐
Nonviolentdemonstrationsoftencreatesuchtensionsthatacommunitythathasc
Justastheauthors’bookoneelsisoftenakeytextforcoursesinmarinevert
Somebiologistsarguethateachspecificallyhumantraitmusthavearisengradua
Whereasbiologistsmustmaintaina(i)_______attitudetowardthesubjectsofth
Createdtoserveasperfectlyaspossibletheirworkaday(i)____,thewoodensto
DavidBelasco’s1912BroadwayproductionofTheGovernor’sLadycreatedase
Biologistshavelongdebatedaboutwhethereggproductioninbirdsisbiolog
Marineecosystemscertainlyhavelesspermanencethanterrestrialecosystems
Massiveprojectilesstrikingmuchlargerbodiescreatevariouskindsofcrat
Massiveprojectilesstrikingmuchlargerbodiescreatevariouskindsofcrat
随机试题
Colorsaresometimescalledhot,cold,orneutral(中性的).Redandyellowares
Manypeoplewronglybelievethatwhenpeoplereacholdage,theirfamiliesp
Hernameis______.[br]Sheworkedas______.alaboratoryassistant从信的第二段“thepas
以下关于企业管理的四项基本职能的关系说法错误的是( )。A.计划是组织、领导和
西方国家中提出并推行“新东方政策”的是()A.美国肯尼迪政府 B.日本田中角荣
在三相交流电路中,电流和电压近似反相,且电流周期是电压周期的2倍,电压为,则电流
女性,45岁,劳累后胸闷、心悸3年,加重2个月,曾有夜间阵发性呼吸困难及咳血性泡
某货运航空公司某季度货物运输差错统计数据见下表。在所有的差错类型中,装卸差错比重
某教育局为将一所初级中学打造成示范学校,将全县的所有优秀教师调配给该校,该县教育
在俄亥俄模式中,工作管理和关心人得分高的领导比其他类型的领导更能促使员工有(
最新回复
(
0
)