________ is defined as the drop in elevation of the stream surface divided by the distance the water flows
Fill in the blank(s) with correct word
Gradient
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Explain the process of evolution through natural selection.
What will be an ideal response?
The dry adiabatic rate is _________.
A. a warming of 10°C for every 1000 meters of ascent B. an exchange of heat between a parcel of air and the surrounding atmosphere C. as long as the air remains unsaturated (relative humidity is less than 100), the rate remains constant at 10 C per 1000 m D. a cooling of 10°C for every 1000 meters of ascent E. always equal to the environmental lapse rate
Glaciers are second only to the ocean in the amount of water they contain
a. True b. False Indicate whether the statement is true or false
Debate over the use of DDT to control malaria is likely to continue. However, over the past several decades, much has been learned about how this insecticide works, and why its extensive use poses an environmental concern. Discuss three characteristics
of this chemical that cause it to be problematic. What will be an ideal response?