1. With respect to religion and morality, the problem of common ground refers to the fact that religious commands and principles:

A. are too old to be valuable today.

B. are of unknown origin.

C. only appeal to believers.

D. are often immoral themselves.

is it C

2. Moral relativism is the idea that:
A. everything we do is motivated by self-interest.

B. every event has a cause.

C. morality is absolute because it is based in human nature.

D. morality varies from culture to culture and time period to time period.

is it D

I think 1 is right. I'm sure 2 is also right.

For the first question, the problem of common ground refers to the challenge of finding shared values and principles that can guide ethical decision-making in a diverse society. In the context of religion and morality, it means that religious commands and principles may only appeal to believers and may not be universally accepted by everyone in society. So, the correct answer is C - only appeal to believers.

For the second question, moral relativism is the belief that there are no absolute or objective moral truths, and that morality varies from culture to culture and time period to time period. So, the correct answer is D - morality varies from culture to culture and time period to time period.