To prevent the pollution of groundwater, waste water collected from landfills should be a. diluted by mixing it with drinking water. b. filtered by soil and plants. c. piped to nearby lakes and streams. d. treated before it is released.

explanation:

mitosis is used to produce daughter cells that are genetically identical to the parent cells. the cell copies - or 'replicates' - its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

oxidation

explanation:

answer