Coal replaced wood as industrialized countries' major energy source in the nineteenth century because
A. Wood is not as energy efficient as coal
B. Wood supplies were diminishing
C. Coal was easier to transport
D. Coal was a cleaner fuel
E. Early conservationists warned about the loss of biodiversity in the forests
Answer: B
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When the speed of a ball increases by the same amount each second, its acceleration
A. varies. B. also increases each second. C. decreases each second. D. is constant.
The double politics of contestation argues that:
a. both conflict and consensus have their place in social change. b. change means movement. Movement means friction. c. consensus organizers build relationships for mutual benefit. d. all of the above.
Consider the names of the eras in the geologic time scale. What is meant by "zoic"?
A) time; recording of events B) life; living things C) rocks; lithified strata D) places; geographic references
What city is the first slated to be a "solar city" with 10% renewable energy?
A) Mumbai B) New Delhi C) Agra D) Bangalore E) Varanasi