What are the two main ways that minerals are classified? 1. chemical makeup and how they can be used 2. chemical makeup and crystal lattice structure 3. how they can be used and how rare they are 4. how they can be used and the country they are found in

Dawn mistakenly took a multivitamin intended for men that contains 90 mg of vitamin c (or 100% of the vitamin c rda for men). if the multivitamin was dawn’s only source of vitamin c for the day, what percentage of the women’s vitamin c rda did she consume? a. 52% b.83% c.100% d.120%