A cloud of interstellar gas is held together by
A) the gravitational force.
B) infrared radiation.
C) electromagnetism.
D) All of the above.
A
Environmental & Atmospheric Sciences
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Composting is a waste disposal method that
A. Is more environmentally costly than landfilling B. Vastly reduces total waste volumes C. Is technologically complex D. Is useful only for single households E. Is not realistic for college students
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Rust is an example of _____
a. hydration b. unloading c. freeze-thaw d. salt crystal growth e. oxidation
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For upwelling to occur on the East Coast of the U.S., winds flowing from the ____ have to exist
a. north b. south c. sea d. east e. west
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Which of the following amino acids has iodine atoms in its structure?
A) leucine B) lysine C) thyroxine D) tyrosine
Environmental & Atmospheric Sciences