Please help.. What is the relationship between the hole in the ozone layer and global warming?
A
The hole in the ozone layer is totally fixed but
global warming is not.
B
The hole in the ozone layer was caused by
global warming
С
Both have been reduced by countries creating
the Montreal Protocol
D
Both are caused by types of chemicals used
to cool things down.

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.