Which of the following actions would put us on the path towards a sustainable future?
A) diminished reliance on fossil fuels
B) increased energy efficiency
C) increased use of renewable energy sources
D) increased energy conservation
E) All of these actions are necessary.
E
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Which one of the following statements best reflects the overall position of current science on the role of biodiversity in ecosystems?
A) The more species in an ecosystem, the greater the biomass production. B) The more species in an ecosystem, the greater its drought resistance. C) The effects of biodiversity loss on ecosystem function depend on how many and which species are lost. D) Every species in an ecosystem is equally essential to maintain the overall ecosystem.
The human population is approximately ________
A) 1.5 billion B) 6.9 million C) 1.5 million D) 7 billion E) 10 billion
A visible satellite image can be important in determining whether a developing hurricane will continue to strengthen
a. True b. False
Economic development in Thailand is concentrated around the city of:
A) Bangkok B) Hanoi C) Saigon D) Yangon