Answer: Contagious
Explanation:
Contagious disease spreads from one person to another person in several ways. It spreads though the flu, cold or by body fluids.
One is by the direct contact like kissing the person or touching the person. Another way is microbes travel through the air and reaches the person.
Example: Common cold, flu, skin infections.
Colevent chemical bonds invole the sharing of valence electrons between two atoms, in contrast to the sharing of electron in an ionic bond that helps create molecules.
that's what I have for my notes, I hope this helps!
The correct answer is central nervous system
Oxygenic photosynthesis works as a counterbalance to breathing by taking in the carbon dioxide produced by all breathing organisms and reintroducing oxygen to the atmosphere.