Which of the following is not a major challenge to the widespread use of renewable energy?
A) Consumers often have limited knowledge about the source of their electricity.
B) Government subsidies for fossil fuels reduce incentives for the use of renewable energy.
C) The cost of production of these new technologies is high.
D) Renewables cannot produce enough energy to meet demand
E) There are uncertainties and risk associated with investing in new technologies.
Answer: D
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The Milankovitch cycles in association with other natural factors explain how glaciers may advance and retreat over periods of ____ years
A) hundreds of millions of B) several million C) hundreds of thousands of D) ten thousand to one hundred thousand
One of the effects of glaciation is the formation of:
a. erosional terraces during glacial advance b. erosional terraces after glacial retreat c. depositional terraces during glacial advance d. depositional terraces after glacial retreat
In order to reduce evaporation and conserve water, do you think it would be better to water a lawn in the early morning or early evening?
What will be an ideal response?
Diseases such as cholera and ebola are
A. Called communicable diseases B. Called emergent diseases C. Caused by pathogenic organisms D. All of these are characteristics of diseases such as cholera and ebola