A recent study of college students from low-SES backgrounds and high-SES backgrounds conducted by VanKim and Laska showed that college students from low-SES backgrounds than their higher-SES counterparts.

Explanation:

A recent study of college students from low-SES backgrounds and high-SES backgrounds conducted by VanKim and Laska showed that college students from low-SES backgrounds ate more fast food and fewer fruits and vegetables than their higher-SES counterparts. According to them "Higher nutritional knowledge, which is associated with a greater SES, is associated with engagement in more healthful weight-loss methods".

Engaged in lower levels of physical activity

Explanation:

A recent study of college students from low-SES backgrounds and high-SES backgrounds conducted by VanKim and Laska showed that college students from low-SES backgrounds ENGAGED IN LOWER LEVELS OF PHYSICAL ACTIVITY than their higher-SES counterparts.

well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.

the correct answer is a