Which statement describes solstices? A. They occur when the Sun reaches its highest or lowest point in the sky.
B. They affect the amount of sunlight in the Southern Hemisphere in May.
C. They contribute to the cycling of winters all year long in the Northern Hemisphere.
D. They increase the amount of rays from the Sun directly received in the Southern Hemisphere.

i had the same answer and put c. deflect randomly in multiple directions.   i looked it up on google and what i found was this;

scattering of light: by small particles and molecules in the atmosphere. different from reflection, where radiation is deflected in one direction, some particles and molecules found in the atmosphere have the ability to scatter solar radiation in all directions.

i know it's kinda annoying when you are just given a google article but this is why i think it is c.   i will try to let you know if i got it right.