In preparation for the zombie apocalypse, you decide to cut enough wood to heat your house for the entire winter. you may end up deforesting the area around your house, but at least you will be able to see the zombies coming for you! your small, well-insulated home will require 25,000btus per hour for 3 months to get through the winter. a cord of the wood will yield about 18 million btus. how much wood do you need to cut to provide enough wood to heat your house for the winter?

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

Most of the carbon on earth is stored in the form of

Which of the following forest management practices is best for reestablishing areas of forest?