If we are studying the possible relationship of benzene exposure and lung cancer and the response rate of potential subjects is higher in people with lung cancer who were exposed to benzene than in people with the lung cancer who were not exposed, an apparent association could be observed even if in reality there is no association. The following is an example of what type of error in epidemiology? A. Confounding
B. Interaction
C. Selection Bias
D. Recall Bias

the answer is d. chordata

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.