Which of these options is the most sustainable way to produce more food?
A. Polyculture
B. Cultivation of marginal lands
C. Irrigatation of more land
D. Clearing tropical forests
Answer: A
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Eating from the local food shed is an attempt to eat foods produced locally is a way of supporting the local economy, improving personal health, and sustaining the environment
Indicate whether this statement is true or false
Which of the following characterizes the chinook wind that blows into southern Alberta?
A. cold and dry B. warm and moist C. warm and dry D. cold and damp
If the age of a mountain range is inversely proportional to its height, in what two regions are the youngest mountain ranges found today?
A) The circum-Atlantic belt and southern Europe/Asia B) Western South America and the Appalachians of North America C) The circum-Pacific belt and southern Europe/Asia D) Scandinavia and Eastern Africa
Which continent has more than 12,000 cubic kilometers of water available per year?
-Australia -North America -Asia -Europe -Africa -South America