Which of the following was true of Kekulé's proposal for the structure of benzene?
A) It was readily accepted.
B) It was rejected because it was inconsistent with experiment.
C) It was not readily accepted since it did not account for the very different reactivity of benzene compared with alkenes.
D) It was not readily accepted since it did not account for the known structure of benzene.
C
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HIV/AIDS is a(n) ___________ disease that is also transmissible from person to person.
Fill in the blank(s) with the appropriate word(s).
Considering the priorities suggested by the U.S. National Academy of Sciences for integrated waste management, match the priority level with the appropriate action below
a. first priority c. third priority b. second priority 5. Buy soft drinks in glass containers. 6. Incinerate waste. 7. Use less garden pesticides. 8. Bury waste in landfills. 9. Change industrial processes to eliminate use of harmful chemicals. 10. Compost your vegetable scraps. 11. Make cars that last longer. 12. Buy foods such as grains and dried fruits in bulk. 13. Treat waste with bioremediation. 14. Repair an old bicycle and donate it to a children's group.
The most effective method for locating large exoplanets, to date, is _________
Fill in the blank(s) with correct word
One conservation method used to protect turtles from trawl nets uses ________.
A. sonar B. acoustic tagging devices C. turtle excluder devices (TEDs) D. gill nets