Inuit people who live in the Arctic tundra have high levels of DDT in their bodies, but live and work far from areas of industrial pollution. They eat seals and fish; seals eat fish. Which mechanism accounts for the high concentrations of DDT?
A. biological magnification
B. optical magnification
C. drinking Groundwater
D. absorption through skin
Answer: A
Environmental & Atmospheric Sciences
You might also like to view...
A population of similar individuals that in nature interbreed and produce fertile offspring:a
genus d. class b. species e. order c. kingdom
Environmental & Atmospheric Sciences
When did the Moon form?
a. in Hadean Eon b. in Archean Eon c. in Tertiary Period d. in Paleozoic Era
Environmental & Atmospheric Sciences
The isohypses portrayed here show
A. low pressure, northern hemisphere. B. high pressure, southern hemisphere. C. high pressure, northern hemisphere. D. low pressure, southern hemisphere.
Environmental & Atmospheric Sciences
What kind of unconformity is visible in this figure? The unconformity in question is indicated by the Arrow A
A) Disconformity B) Nonconformity C) Angular unconformity
Environmental & Atmospheric Sciences