Which of the following describes the climate of the Medieval Climatic Optimum?
A. It was a relatively warm period.
B. It was a relatively wet period.
C. It was a relatively cold period.
D. It was a relatively dry period.
Answer: A
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Many businesses are exploring and adopting the "design for the environment." Which of the following is not associated with this approach?
A. Improving public relations about the business's environmental policies B. Including an emphasis on the maintenance of cultural and biological diversity C. Work within the limits of the current incoming amounts of solar energy D. The products of a process are resources for other processes E. All of these are associated with adopting the "design for the environment."
An Alka-Seltzer antacid tablet bubbles vigorously when placed in water but only slowly when placed in an alcoholic beverage of the same temperature containing a 50:50 mix of alcohol and water. Propose a probable explanation involving the relationship between the speed of a reaction and molecular collisions.
A. The tablet reacts with water but not the alcohol. B. The alcohol absorbs the carbon dioxide bubbles before they escape the liquid phase. C. In a 50:50 mix, there are fewer water molecules for the antacid molecules to collide with. D. Alcohol molecules are more massive than water molecules, hence they move slower and their collisions are not as forceful.
This earthquake-generated hazard can occur when seismic waves shake saturated soils.
A. Uplift B. Liquefaction C. Tsunami
What are the main economic activities of subarctic climate of Canada?
a. medical supply production and fishing b. medical and pharmaceutical supply production c. oil and natural gas extraction d. fishing and logging e. hydropower, logging, mining