4 short answer apa format see attached

4 short answer apa format see attached


TOX 4
QUESTION 1
1.
A family goes fishing at a weekend getaway and has a fish fry with their catch. Several of the family members
fall sick, and when they were screened in the emergency room, test results show that benzene was consumed
by the family members. The fish that were consumed evidently came from a lake that was contaminated. The
following data set represents the level of benzene (in micrograms) that each member consumed. Within your
response, please explain how you calculated your answer.
Given the data set 215, 501, 305, 298, 345, 305, 465, calculate the results below:
a. mean,
b. mode,
c. median, and
d. standard deviation.
Your response should be at least 300 words in length.
QUESTION 2
1 . Explain the difference between pollution and contamination. Discuss a specific environmental pollutant that
has had a negative effect on the environment. How did the pollutant affect the environment? How was the
pollutant introduced and transferred throughout the environment?
Your response should be at least 300 words in length.
QUESTION 3
1.
A population of individuals was exposed to lead contamination in drinking water at the concentration of 27
parts per billion (ppb). The following represents a small sample set from the population indicating the level of
response to the contaminant rated on a scale from 1–20. Within your response, please explain how you
calculated your answer (1 indicating minimal effects and 20 indicating maximum effects to the lead
exposure).
Given the data set 9, 12, 7, 15, 8, 9, 10, calculate the following results:
a. mean,
b. mode,
c. median, and
d. standard deviation.
Your response should be at least 300 words in length.
1.
QUESTION 4
Discuss the pesticide dichlorodiphenyltrichloroethane (DDT). What was DDT initially used for, and how does
it work as a pesticide? Explain the benefits of DDT, and then discuss how DDT moves through the
environment.
Your response should be at least 300 words in length.

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