Welppp im stuck on this.

the iris, the colored part of the eye, regulates the size of the the opening that controls the amount of light that enters the eye.
a) cornea
b) lens
c) pupil
d) retina

An obese man 5'5 and 200 pounds, seta a long-term goal to loose 50 pounds which of these is a resonable benchmark he might set for himself

During polarization,potassium has a blank charge,sodium has a blank ch arge ,and calcium has a b l ank. charge

Jamie is trying to become more active likes to run and lift weights but he feels the need to do more to get hidden burned up in work his heart doesn't have access to gym but has weights in living community with sidewalks can you come up with three different workouts for him that will him get into his target heart rate zone