What new method is being used to calculate productivity by estimating the chlorophyll?

a. Biomass
b. Orbiting satellites
c. Radioactive tagging
d. Light-dark reactions


ANS: B
Satellites have made sensing the chlorophyll content of the ocean possible. The amount of chlorophyll
is directly related to photosynthesis. Information can be found in the section Measuring Primary
Productivity.

Environmental & Atmospheric Sciences

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Tectonic plates are pieces of the ________ that float on the more fluid ________ below.

a) asthenosphere; lithosphere b) lithosphere; asthenosphere c) lithosphere; mesosphere d) mantle; crust e) crust; lithosphere

Environmental & Atmospheric Sciences

Geostationary satellites are usually centered over one pole

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

All of the following are true regarding the polar cell EXCEPT

A. surface winds from the east. B. weak Coriolis Effect. C. a high pressure at poles. D. westerly winds aloft.

Environmental & Atmospheric Sciences

Which rock unit letter most likely represents ... A rock with a foliation (also see Checkpoint 8.3).

image

A
B
C
D
E
F
G
H

Environmental & Atmospheric Sciences