First off central park in new york would spread wildlife and plants covering building(if most of them haven't fallen down due to natural disaster and age within those 300 hundred years and illinois would become a lot more vegetated than new york would within those 300 years like a lot more trees and plants.
Answer:
Too much light can make the specimen impossible to see under a microscope
Answer:
Radon 222.
Explanation:
This is a chemically inert gas that is colourless and odourless but it is radioactive. It is produced by uranium in rock. From seeping through foundation, its accumulation can cause lung cancer. Also, as a radioactive gas, it can be also used to in hospitals to cure ailments which includes tumour , cancer and other diseases.
Bioaccumulation is the accumulation of substances, such as pesticides, or other chemicals in an organism
Under the leaf, but a microscope must be used.
Hope this helps!