Matching

6. On the primary and secondary sewage treatment figure, choose the letter that represents where bacteria are killed and the water is clean.

7. On the primary and secondary sewage treatment figure, choose the letter that represents where sludge is dried before being disposed of.

8. On the primary and secondary sewage treatment figure, choose the letter that represents where the water is aerated.

9. On the primary and secondary sewage treatment figure, choose the letter that represents where large floating objects and solids are removed.

10. On the primary and secondary sewage treatment figure, choose the letter that represents where activated sludge settles out in the biological process of sewage treatment.

11. On the primary and secondary sewage treatment figure, choose the letter that represents where suspended solids settle out as sludge in the physical process of sewage treatment.

12. On the primary and secondary sewage treatment figure, choose the letter that represents where all the sludge is combined before drying.


6. ANS: E

7. ANS: G

8. ANS: C

9. ANS: A

10. ANS: D

11. ANS: B

12. ANS: F

Environmental & Atmospheric Sciences

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What indicates that the lava flows associated with Crater Mountain (and the other Mono Craters) were viscous?

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Environmental & Atmospheric Sciences

This region receives more hurricanes than any other: ________

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Japan's principal asset in promoting development is

A) a favorable ratio of population resources. B) an abundant supply of labor. C) high physiological density. D) extensive supplies of critical raw materials.

Environmental & Atmospheric Sciences

Rocks such as limestone, granite, and gneiss cannot be groundwater reservoirs

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences