Many of the houses have fireplaces that are 15% efficient and use 15 kg of wood to heat a room to 20 degrees celsius. wanting to reduce their ecological footprint, several of the homeowners are considering switching to woodstoves that are 75 percent efficient. if they do change to using a woodstove, how many kilograms of wood will they save per use?

Dorgan as just issued a memo to all this employees saying that all tests are to be administered in exactly the same way, given in the same room, and scored in exactly the same way. dorgan wants to ensure that all of his tests

Which of the following is a type of technology that can be used at a coal-burning power plant to remove both particulate matter and gases? bag filter catalytic converter cyclone electrostatic precipitator scrubber

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.