Pollution in the will have the greatest effect on human health

Pollution would be the biggest issue to your lungs meaning that the greatest effect would be in the troposphere. Troposphere is the part of atmosphere that we breathe so if it was polluted we would all die because we couldn't breathe or you would develop illnesses like cancer. It would not only affect humans but all other animals and plants as well.

To see a general view of a microscope slide, use low power. to see a more specific and detailed view, use high power.

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )