Describe the best things to do if you are trapped by a fire. Where should you take shelter to protect yourself and why?
What will be an ideal response?
ANSWER: Try to reach flat, moist, grazed areas, ponds, or streams where vegetation is short, wetter, and not subject to updrafts. If trapped by a closely advancing fire, lie in a ditch, cover yourself with non-combustible material—such as wet clothes or wet dirt—and let the fire burn past you. If you can reach a car, park it over bare ground. Roll up the windows—covering them with opaque material to minimize access of radiant heat, if possible—and lie low. Even if the car catches fire, try to let the intense wall of fire pass before getting out. Except in movies, gasoline tanks rarely explode. Don't try to out-drive a closely approaching fire and don't drive through dense smoke—your chances of making it are slim. The safest place in an uncontrolled fire is in an area already burned.
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The two main sources of early immigrants to the American colonies and the newly independent United States were the United Kingdom and Africa
Indicate whether the statement is true or false.
How does mineral cleavage differ from mineral fracture?
There are several types of fracture, but only one type of cleavage. There are several types of cleavage, but only one type of fracture. Cleavage occurs when all of the chemical bonds within the mineral are equally strong in all directions, whereas fracturing occurs when the chemical bonds are weaker in one or two directions than the remaining direction(s). Mineral cleavage is the mineral's tendency to break into uneven surfaces, whereas mineral fracture is the mineral's tendency to break along flat, even planes. Mineral cleavage is the mineral's tendency to break along flat, even planes, whereas mineral fracture is the mineral's tendency to break into uneven surfaces.
Many conservationists support returning top predators such as wolves and panthers to areas where they have been exterminated. Although some reintroductions have been made, the practice is controversial because these animals are
A) considered by some ranchers to be a threat to livestock and humans. B) being introduced into areas that have never had predators before. C) predators that feed on many other endangered species. D) carriers of diseases that may infect other species in the region.
Highland climates can have a wide variety of temperature and precipitation characteristics
Indicate whether the statement is true or false