Answer:
Widen Margins occurs at the continental margin in the pacific ocean, so the answer is:
1. Widened Margins.
To try and help although thee aren't any answers i would say... if they were to literally conduct a field study such as this, much pollution would occur, Millions of fish would die as of plants also. And would over-all Lake Michigan would never be the same again.
I think it’s all of the above because they can all be found in the air and in water sources
Answer:
The environment is affected by the biotic and abiotic factors such as temperature, pressure, humidity and organisms like human activity. Some factors that affect environment are the following : a) Greenhouse Effect - Green house gases like C O2, trap the heat from the sun that increase the temperature of the earth.