The main chemical weathering processes all take place more or less simultaneously because they all require the presence of ________
A) water
B) air
C) hydrogen
D) plants
E) salt crystal growth
Answer: A
Environmental & Atmospheric Sciences
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In the formation of speleothems, the ceiling part of speleothem is called:
a. talagmites b. travertine c. stalactites d. acidic limestone
Environmental & Atmospheric Sciences
Which of the following radioactive isotopes would be best for age-dating a rock from 50,000 years ago?
A) uranium-238 B) carbon-14 C) potassium-40 D) thorium-232
Environmental & Atmospheric Sciences
Which of the following is found in cephalins?
A) choline B) ethanolamine C) inositol D) none of these
Environmental & Atmospheric Sciences
What is meant by the term monsoon wind system? Briefly describe or sketch the wind and pressure pattern during the summer and winter monsoon in Asia
What will be the ideal response?
Environmental & Atmospheric Sciences