Answer:
D: It is based on facts.
Explanation:
The reason is because science is based off of data and analsys which
i think its c. chlorophyll and other pigments correct me if i'm wrong! <3
A example of a nerve cell is a nerve cell
Answer: 2 covalent bonds
Explanation:
In H2O molecule, two water molecules are bonded by a Hydrogen bond but the bond between two H - O bonds within a water molecule are covalent. The dotted lines represent a hydrogen bond and the solid lines represent a covalent bond.