Which of the following does not apply to trilobites?

a. abundant in modern oceans d. sediment-feeder
b. excellent guide fossils e. invertebrate
c. benthos, mobile


A

Environmental & Atmospheric Sciences

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Which category of toxic chemical has an acute response that includes death?

A. neurotoxin B. carcinogen C. teratogen D. mutagen

Environmental & Atmospheric Sciences

Match the term with the appropriate phrase.

trench a) spreading center b) subduction zone

Environmental & Atmospheric Sciences

Relative to the five fundamental themes of geography, latitude and longitude refer to

A) location. B) place. C) human-Earth relationships. D) movement. E) regions.

Environmental & Atmospheric Sciences

Consider the following processes: respiration, chemosynthesis, combustion of firewood, and photosynthesis. How many of these result in the release of oxygen into the atmosphere?

A) none B) 1 C) 2 D) 3 E) all 4

Environmental & Atmospheric Sciences