B is correct, "<span> Christina and I went to the same summer camp for years (since we were 8)" </span>parentheses are used when you have some extra information you want to add, but its not completely necessary. Like how they started going to the same summer camp when they were 8, you can still read the sentence fine without it, but it's a nice piece of information.
To repeat a circular motion.
Answer:
A zygote is the product of opposite gametes coming together so a zygote will develop into the offspring of whatever species of female and male gametes came together.
I hope this helps! :)
The literary device is ambiguity
