An example of natural selection is the peppered moth, where the darker moths were more likely to survive and reproduce during the industrial revolution due to pollution darkening their environment, leading to an increase in their population.
A. Overbuilding hotels in a natural reserve B. Ignoring local culture and traditions C. Encouraging local economic development D. Causing E. xcessive pollution 相关知识点: 试题来源: 解析 C。本题考查可持续旅游的概念。选项 A“Overbuilding hotels in a natural reserve”(在自然保护区过度建造酒店...
Global chemical pollution Over the past decade, public and governmental awareness of environmental problems has grown steadily, with an accompanying increase in the regulation of po... CC Travis,ST Hester - 《Environmental Science & Technology》 被引量: 142发表: 1991年 Recreational Use, Valuation,...
These drastic natural changes emphasize the need for guarded interpretation of monitoring data from areas suspected of pollution.doi:10.1016/0272-7714(83)90132-4Cullinane, J.P.Whelan, P.M.Elsevier LtdEstuarine Coastal & Shelf ScienceCullinane, J. P. & Whelan, P. M. 1983 An example of ...
To die,to sleep; No more; and by a sleep to say we end The heartache, and the thousand natural shocks That f [translate] a八晚 Eight evenings [translate] afirstly, city refuse pollutes the environment. for example, everyday we consume countless plastic products, like plastic bags, ...
aIt is time to call for an end to the waste. On one hand, we must save on natural resources and make full use of them; otherwise human beings will be faced with the shortage of natural resources and suffer from the pollution caused by waste. On the other hand, we must trea sure our...
the United States will never know a sky dark enough for the Milky Way, I worry we are rapidly losing night’s natural darkness before realizing its worth. This winter solstice, as we cheer the days’ gradual movement back toward light, let us also remember the irreplaceable value of ...
United States, any federal project that is likely to affect the environment–such as a highway, dam, or other infrastructure–must publish anenvironmental impact statementdescribing any potential risks to the natural environment. These documents are used to assess any negative externalities of the ...
Average willingness-to-pay valuesfor groundwater quality improvements to stabilize groundwater quality below drinking water standards or to reducepollution close to natural background concentrations are equal to 4,7 鈧 and 4,8 鈧 per household per month,respectively. The location where respondents ...
Measuring Collaborative Consultation Practices in Natural Environments. With additional validation efforts, this instrument may be used to evaluate the implementation of collaborative interactions between parents and early intervention... S Basu,CL Salisbury,TA Thorkildsen - 《Journal of Early Intervention》...