What is the one long-term effect on crop-eating insects that is caused by the repeated spraying of synthetic pesticides?
A. Genetic resistance to the pesticides
B. Extinction of the insects
C. Large increases in insect size
D. Adaptation by running away
Answer: A
Environmental & Atmospheric Sciences
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If a mineral lacks planes along which it may cleave, what will occur?
A. The mineral will fracture in an irregular pattern. B. The mineral will fracture evenly along predictable planes. C. The mineral will still cleave, but it will only occur along one plane. D. The mineral will not break.
Environmental & Atmospheric Sciences
Earth's orbit around the Sun is highly elliptical.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Which country consumes the greatest amount of energy?
A. India B. China C. Russia D. The United States
Environmental & Atmospheric Sciences