One key advantage of hydropower is that ________
A) it produces no negative environmental effects
B) it is the oldest of the renewable energy resources
C) it does not rely on fossil fuel to generate electricity
D) it is widely available to all countries
E) it is the most economically feasible of all the renewable energy resources
C
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Europeans, especially the British, were able to dominate South Asia from the 17th century primarily because they were able to exploit
A. the coastal trade cities. B. natural resources with the technologies of the Industrial Revolution. C. the conflicts between many small, fragmented and competing kingdoms. D. the pacifist tendencies of Hindu and Buddhist practitioners.
Carnivores (secondary consumers) derive their energy from other animals and not directly from plants
Indicate whether the statement is true or false.
What is a main source of terrigenous sediments?
a. Volcanic eruptions b. Rivers c. Dust and ash d. Cosmic dust
Consulting government data and other scientific studies, Jasmine considers the different ways that she might commute to her job in downtown Toronto, Canada
She might walk 20 blocks or so through a busy downtown, which means crossing many city streets every day. If she drives a car to work, it could be difficult and dangerous in the traffic. Taking a bus might be best, but she once had her purse stolen on a bus and remains concerned about riding a bus again. As Jasmine considers her options, she is engaging in A) a cost-benefit analysis. B) a technical analysis. C) risk assessment. D) a tertiary calculation.