Which of the following statements best describes the relationship between the environment and human health? A) The environment is the only factor that affects human health.
B) Many aspects of the environment can have an impact on human health.
C) The environment only has an effect on the health of those who are outdoors frequently.
D) Human health is impacted by changes in climate.
E) The environment has no impact on human health.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.