What is required to be considered sustainable use of resources?
A) understanding that resources are infinite
B) understanding the rate of renewal and the ability to manage the rate of the use
C) understanding ecosystem function in relation to resource use
D) understanding that resources are finite
E) understanding the rate of exhaustion and the ability to manage the rate of the use
B
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Indicate whether the statement is true or false
In the near vacuum of outer space, light typically travels in a straight line at uniform speed
Indicate whether the statement is true or false
What are reserves?
A) quantities that are known and available for exploitation with current technologies at current prices B) substances that are known to exist, but are held back to save them for the future C) estimates of the quantities likely to be discovered with greater exploration D) all substances that may someday be used E) resources that have been mined, but are currently in storage and will be utilized when prices rise
Desert pavement is:
a. a special type of asphalt that won't soften in the desert sun. b. made of a thick caprock. c. a thin layer of stones that overlies fine-grained sediments below. d. the salt crust on some playa surfaces. e. the salt crust that forms on some desert sand dunes.