Which of the following was not an ecological consequence of point source pollution from the sudbury smelters in canada? a. heavy vegetation loss
b. devastation of surrounding forests by acid rain
c. toxic releases in groundwater supplies
d. changes in soil chemistry due to heavy metals
e. soil erosion

pls help fast :)

What happens after a star goes supernova? just wondering! [tex]supernova [/tex] answer asap i really wanna know!

Any study/memorization tips? i have exams in a week and it would be great to try suggestions!you ; )

Suppose that sociologists and cultural anthropologists are tying to measure the amount of child abuse for cross cultural comparison. they run into disagreement over whether spanking a child is abuse or discipline. what problem are they encountering in their research? a. reliability of the definition of abuse. b. validity of the definition of abuse. c. occam's razor about the definition of abuse. d. none of these.