Astudent is asked to conduct a search on climate change and the
contribution of greenhouse gases. the student, however, would like to avoid
results that explain how a greenhouse works.
which boolean search would return the most useful results?

The main academic skill is math

Ifound this on google “preview — long walk to freedom by nelson mandela. “i am fundamentally an optimist. whether that comes from nature or nurture, i cannot say. part of being optimistic is keeping one's head pointed toward the sun, one's feet moving forward.” i hope this you for what your looking for.

Is there any answer choices