I think the answer is Releasing a black powdery substance on their trunks or shifting their range toward the poles.
It is used for cell functions or transformed to heat energy
Its a fish eye because of the glimmer inside the iris
The correct answer is "southerners." Sarah and Angelina Grimké's parents were slaveholders; while Sarah and Angelina never experienced slavery themselves, they viewed it firsthand, and from their own experience decided to advocate against slavery. This decision carried so much weight because overall, southerners didn't want to give up slavery.