In a water treatment plant, bacteria are used to digest material in the water. however, these bacteria can be harmful to humans. because of this, what other steps must be taken in the treatment of water?

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

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

The negative impacts of nonnative species generally outweigh the positive impacts