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.

Why does the skin of your finger shrink when you wash clothes for a long time?

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis