Two approaches to drawing a conclusion in a hypothesis test are .

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

How does friction with the atmosphere affect the speed of an artificial satellite