If the swl of a busy trafficfrom a road is 75 db, what is the spl if the receiver is at (i) 10 m and (ii) 20 m from the road? assume the road surface is absorptive (i. e., full-cylinder).

Why is the study of demography important to geographers

Which of the following is an environmental cost of agriculture? a. agronomyb. cash cropsc. pollutiond. crop rotation

Prompt what is cultural ecology? explain the concept of environmental determinism, and give an example to support this theory. explain the concept of possibilism, and give an example to support this theory.