___ is a naturally occurring substance that seeps up from the ground and is potentially toxic to people.
A) radon gas
B) bisphenol A
C) crude oil
D) DDE
A) radon gas
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An ________ is a city that promotes sustainable growth and development using a variety of approaches, such as eco-friendly transportation, the recycling or reuse of food, and biodiversity protection.____________________.
Fill in the blank(s) with the appropriate word(s).
What type of forecast method do you think is most appropriate for the following forecasts: short range (6 to 12 hours); medium range (24 to 48 hours); long range (5 to 10 days); seasonal (3 month)?
What will be an ideal response?
Physical geography focuses primarily on:
A) social dynamics. B) cultural dynamics. C) language dynamics. D) environmental dynamics. E) music dynamics.
What is the approximate population of Australia?
A) 5 million B) 13 million C) 45 million D) 23 million E) 200 million