( DO NOT ANSWER IF U DO NOT KNOW PLEASE, URGENT ) Do the following exercise, showing all your calculations. 1. a) Compare the speed that light waves travel in air to the speed that sound waves travel in the air. (Show results in meters/second) Comment: b) How many times faster do light waves travel in air in comparison to sound waves in air? Show your working out and answer here: 2. Compare the speed of light in water to the speed of sound in water.(Show results in meters/second) Comment:

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true