Environmental Chemistry

How much of the Earth's atmosphere is carbon dioxide?

• less than 1%

• 6 %

• more than 80%

How is acid rain formed?

• Carbon monoxide and carbon dioxide mix with water in the ocean.

• Carbon dioxide and oxygen mix with water in the air.

• Sulfur dioxide and carbon monoxide mix with lake water.

• Sulfur dioxide and nitrogen oxide mix with water in the air.

Which of the following pollutants can cause an overgrowth of algae?

• Phosphate

• Nitrate

• Both phosphates & nitrates

True or false. Acid rain caused in one country can cause problems in other nearby countries

• true

• false

Acid rain has a pH LESS than

• 6

• 7

• 8

• 3

The pH scale is a range from:

• 7

• 0-14

• 5

• 20

Dose causing death of half of the organisms exposed at this level.

• LD₅₀

• LC₅₀

• TC₅₀

• TD₅₀

Used on factory stacks to remove gases and particulate.

• Filters

• Emission reducers

• Scrubbers

• Filter Strips

Tags

NGSS.MS-ETS1-4

What is bioaccumulation or biomagnification?

• buildup of toxins in an organism

• the total mass/amount of organisms in a given area

• the number of different species in an area

Tags

NGSS.MS-LS2-3

Which organism would have the most bioaccumulation?

• grass

• rabbit

• snake

• hawk

Tags

NGSS.MS-LS2-4