The correct answer is B!
Why is this?
A mineral is a naturally occurring, inorganic solid with a definite crystalline structure and chemical composition. All minerals contain one or more elements, which are pure substances that cannot be broken down into simpler substances by chemical means.
Answer:
Organs are structures made up of two or more tissues organized to carry out a particular function, and groups of organs with related functions make up the different organ systems.
Explanation:
hope it helps
Its a because People with slow metabolisms have lower basal metabolic rates and my aunts a doctor and i asked her. Lol