The nonmetals in groups 6a and 7a a) end in -ate b) have a numerical charge that is found by subtracting 8 from the group number c) all have ions with a –1 charge d) lose electrons when they form ions

C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.

Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).

The answer you are looking for is option d