The first organisms on Earth included
A. complex multicellular organisms.
B. dinosaurs.
C. algae.
D. trilobites.
Answer: C
Environmental & Atmospheric Sciences
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What kind of pollution source is a golf course that produces runoff with high nitrogen concentrations?
What will be an ideal response?
Environmental & Atmospheric Sciences
Exfoliation domes are formed from which of the following processes?
A) sheeting B) oxidation C) melting D) metamorphism
Environmental & Atmospheric Sciences
Which of these is NOT a variable gas in Earth’s atmosphere?
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Environmental & Atmospheric Sciences
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What will be an ideal response?
Environmental & Atmospheric Sciences