What is an atom?
a. the smallest unit of matter.
b. the largest unit of matter.
c. a particle that has a negative charge.
d. a participle that has a positive charge.

1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit

Explain the significance of thesaurus geographicus

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes