To modify a plural noun that ends in s to show possession, you should
a. add just an s.
b. add just an apostrophe.
c. add an apostrophe and then an s.
d. place an apostrophe before the s that is already at the end of the word.

every person should make it a priority to serve at least two hours per week.

it's an extremely important civic responsibility that is invaluable to citizens most in need is the correct one

the answer would be: it explains that at least one son must join the church

the expression ''as the tithe of his sons'' indicates how his father intended for at least one of his sons to serve the church. this phrase demonstrates that his father offered him as a last resort since none of his brothers chose to serve the church.

hope this answer you: )!

i'm thinking it would be when compound subjects are joined by or, nor,either-or, neither-nor.