What environmental problem likely caused all of these problems?
a. smog from city areas is causing acid rain.
b. global warming causes all of these problems.
c. the groundwater has become polluted from city runoff. eliminate
d. there is a hole in the ozone layer over new york state.?

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the