If poisonous chemicals from a paint company are dumped into a stream, is that an example of point-source pollution or nonpoint-source pollution *

point-source
nonpoint-source

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

The hypothesis that evolution occurs at an irregular rate through geologic time is known as: directional evolution directional equilibrium punctuated equilibrium punctuated evolution

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a).it must be applicable to future events and occurrences. b)it must be based on scientific observations that can be repeated in a controlled setting. c)it must be open to modification if new evidence doesn't completely support it. d)it must be consistent with only a small portion of relevant observations or data.