Biological. I thought that the answer would be evolution but that is not one of the options. I think my answer is right. I hope it is.
This activities help with social life which reduced the percentage of the students dropping out of school, some students to get higher grades and etc.
I cant have either because of my disease, but ive always preferred non dairy ice cream to non dairy pizza. so in the non dairy section of those two,, ice cream is always the best.