Which of the following is a hollow steel tube with a heavy weight on top that is to collect sediment samples?
A) Dredge
B) Gravity corer
C) Long line
D) Rotary corer
E) Seiche disk
B
Environmental & Atmospheric Sciences
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What is the smallest form of plankton?
a. Microplankton b. Nanoplankton c. Femtoplankton d. Picoplankton
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Photosynthetic autotrophs changed the composition of the atmosphere during the oxygen revolution
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Which of the following has a negative radiative forcing (i.e. cools the planet)?
A) nitrous oxides (N2O) B) carbon dioxide (CO2) C) Trichlorodifluoromethane (CFC-11) D) methane (CH4 ) E) stratospheric ozone (O3)
Environmental & Atmospheric Sciences
The percentage of incident light radiation reflected back to space is termed albedo.
a. true b. false
Environmental & Atmospheric Sciences