Find the length of the segment with endpoints A and B. Select the exact answer. (This means that it is either an integer or in simplest radical form.)
A (-8, 7) B (4, 1)

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.