Question 3 Wetlands are likely to be______________ of methyl mercury and _______

Question

Question 3

Wetlands are likely to be______________ of methyl mercury and __________ for most other metal compounds.

sources, sinks

sources, sources

sinks, sources

sinks, sinks

Question 4

Rivers with the highest concentrations of dissolved minerals usually drain watersheds dominated by which rock type?

Granite

Volcanic

Carbonate

None of the above

Question 5

Which is a source of energy and carbon to stream food webs?

Particulate organic matter

Dissolved organic matter

Live algae

Rooted plants

None of the above

Question 6

What type of plant is characteristic of swamps?

Grasses

Shrubs

CAM plants

Seagrasses

Tree

Question 7

What substance causes water to appear light brown in color?

Dissolved organic carbon

Water molecules itself

Phosphorus

Nitrogen

Algal biomass

questions can have multiple answers.

sources, sinks

sources, sources

sinks, sources

sinks, sinks

Explanation / Answer

my choose:

3) A

4) C

5) C

6) D

7) A

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