When people use plastic combs on their hair, the combs become negatively charged. which statements about this situation are true?
the comb loses electrons.
the comb gains electrons.
the hair loses electrons.
the hair gains protons.
the hair loses protons.

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

Which spheres are involved when sedimentary rocks formed from parts of seashells at the bottom of the ocean? a.) biosphere, atmosphere, geosphereb.) geosphere, hydrosphere, biosphere c.) geosphere, exosphere, hydrosphered.) hydrosphere, biosphere, atmosphere

Ihave a question. diplontic animals usually produce both eggs or sperm which are :