The correct answer is letter B. The food molecules that cannot be digested need to be eliminated from the body. This can be done by taking in certain kinds of medicines that stimulate the digestive tract to pass out the food molecules that are indigestible.
- - The Sun keeps all of the planets orbiting it because of its large captivity.
ღ So in other words, it keeps orbiting due to its largest and the amount of gravity it is concealing.
I think out of all the answers, it should be genetic testing