Which of these renewable energy sources currently produces the most electricity?
A. hydropower
B. wind power
C. geothermal
D. solar thermal
Answer: A
Environmental & Atmospheric Sciences
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If radioactive decay began with 400,000 isotopes, how many would be left after 3 half lives?
- 25,000
- 50,000
- 100,000
- 200,000
Environmental & Atmospheric Sciences
Discuss the concepts of water scarcity, water sanitation and access to water
What will be an ideal response?
Environmental & Atmospheric Sciences
Most tourists to Southeast Asia arrive from:
A) Australia B) Europe C) China D) other Southeast Asian countries
Environmental & Atmospheric Sciences
Which of the following describes the relationship between glucose 6-phosphate and fructose 6-phosphate?
A) They are anomers. B) They are enantiomers. C) They are isomers. D) There is no special relationship between them.
Environmental & Atmospheric Sciences