The three components of the fire triangle are fuel, heat, and _______________
Fill in the blank with correct word.
ANSWER: oxygen
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Which best describes areas with extremely high concentrations of rare plant and animal species that are in danger of extinction without immediate protection?
A. biodiversity hot spots B. Wi-Fi hot spots C. gardens in urban areas D. biodiversity cool spots
Coastal winds that shift from night to day illustrate
A. convection. B. conduction. C. radiation. D. all about equally
In the United States today, the approach which best reduces the volume and weight of municipal solid waste is ________
A) in open pits B) municipal sewage treatment C) incineration D) sanitary landfills E) composting
The ____________________ line is the line above which low winter temperatures and severe wind stress eliminate all forms of vegetation except for those that grow low to the ground
Fill in the blank(s) with correct word