An environmental scientist is least likely to be involved with which of the following?
A) studying X-ray emissions for evidence of black holes
B) launching NASA satellites that monitor changes in carbon dioxide production on Earth
C) studying the relationship between soil fungi and aspen trees in areas that are being restored after oil sand mining
D) helping a rancher determine the best ways to rotate herds of cattle to reduce erosion
E) determining the best fuel to generate electricity for a growing city in Arizona
Answer: A
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How does an atom's electronegativity relate to its ability to become oxidized?
A. Electronegativity does not affect the atom's ability to become oxidized. B. The greater the electronegativity of an atom, the greater its ability to become oxidized. C. The lower the electronegativity of an atom, the lower its ability to become oxidized. D. The greater the electronegativity of an atom, the lower its ability to become oxidized.
Which of the following terms refers to the cloud-like streamer that often forms behind an aircraft flying at high altitude?
A. mammatus B. banner C. contrail D. pileus
What is the fundamental advantage of the ancient technique of terrace farming? What will be an ideal response?
Which of the following is true of the base content of DNA?
A) moles of adenine = moles of cytosine B) moles of adenine = moles guanine C) moles of adenine = moles of thymine D) none of the above