2)
What human activity is most responsible for the damage to the ozone layer?

Matter- occupies space and possesses rest massno matter is the opposite

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Idont know. if you want an answer you need to give us some context dude.