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Title: Clean Water Acts were passed in the United States in: Post by: zamu on Mar 9, 2018 Clean Water Acts were passed in the United States in:
a. 1890 and 1960 c. 1970 and 1990 b. 1930 and 1970 d. 1980 and 2000 Question 2 What is the largest origin of nonpoint pollution in the United States? a. Tobacco smoke c. Agriculture b. Manufacturing d. Automobile traffic Question 3 According to the EPA, groundwater accounts for about ____ of the world's total freshwater resources. a. 24 c. 79 b. 58 d. 96 Question 4 In the West, sheep herders have problems with ____ preying on lambs. a. Coyotes c. Badgers b. Panthers d. Rattlesnakes Question 5 A fungus that was once considered undesirable was later used to develop: a. Insulin c. Aspirin b. Penicillin d. Progesterone Question 6 The environment includes the air, soil, and: a. Light c. Organisms b. Temperature d. All answers are correct. Question 7 According to the Soil Conservation Service, it takes about ____ to form topsoil from the subsoil parent material. a. 15 years c. 25 years b. 20 years d. 30 years Title: Clean Water Acts were passed in the United States in: Post by: kingchan on Mar 9, 2018 Content hidden
Title: Clean Water Acts were passed in the United States in: Post by: zamu on Mar 9, 2018 Thank you for always stepping in by helping me with my homework
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