Unit 3: Atmosphere

Question 1

Bioaccumulation

Answer 1

the buildup of toxins (like mercury or pesticides) within a single organism over its lifetime, faster than it can eliminate them.

Question 2

Biomagnification

Answer 2

the increasing concentration of these toxins in the tissues of organisms at higher trophic levels (e.g., from plankton to fish to eagles) along the food chain.

Question 3

Exosphere

Answer 3

Fifth layer of the atmosphere; (~700+km): satellites orbit

Question 4

Mesosphere

Answer 4

third layer of the atmosphere. (50-85km) low atmo.pres.; meteors burn

Question 5

PFAS

Answer 5

PFAS: Per- and Polyfluoroalkyl Substances.

Question 6

Photochemical smog

Answer 6

is brown‐air smog caused by light‐driven reactions of primary pollutants with normal atmospheric compounds.

Question 7

Radiation

Answer 7

energy moving in the form of electromagnetic waves or particles

Question 8

Stratosphere

Answer 8

(14-50km) second layer of the atmosphere; ozone layer shield UV radiation; Radiosonde/payloader collect data

Question 9

The fifth layer of the atmosphere

Answer 9

Exosphere

Question 10

Thermosphere

Answer 10

Fourth layer of the atmosphere. (85-600km): no clear upper boundary; composed of ind. gas molecules (O, N); Norther lights/auroras.

Question 11

The second layer of the atmosphere

Answer 11

Stratosphere

Question 12

The fourth layer of the atmosphere

Answer 12

Thermosphere

Question 13

The third layer of the atmosphere

Answer 13

Mesosphere

Question 14

The first layer of the atmosphere

Answer 14

troposphere