List the four most important greenhouse gases in Earth's atmosphere.
What will be an ideal response?
water vapor, carbon dioxide, methane, and nitrous oxide
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All of the following statements accurately describe the office-home building of the Rocky Mountain Institute except:
a. Solar energy provides 90% of the household electricity. b. The Institute's heating bill is just less than $50 per year. c. A central greenhouse in the building humidifies the building and helps to heat it and purify the air. d. Except for office equipment power, the building draws a little more electricity than a single 100-watt light bulb would draw. e. Solar energy provides about 99% of the hot water used in the building.
The Netherlands, meaning "Low Countries" included the following except
A. The Netherlands B. Denmark C. Belgium D. Luxembourg
Which of the following is untrue in the lock-and-key model?
A) The drug is tightly bound to the protein. B) More than one drug can interact with same receptor site. C) Drugs can interact differently with different receptors. D) Drugs can interact strongly with more than one receptor site. E) All of the above are true.
Biodiversity enhances human food security because ________
A) protecting biodiversity provides greater opportunities for ecotourism B) the loss of crop diversity makes our food supply vulnerable to pests C) drugs can be developed from compounds found in plants D) nearly 20% of our food crops require pollinators such as insects