Answer:
<u>Breathing: </u>is the physical process of exchanging gases
<u> respiration: </u>is a chemical process that takes place at a cellular level and produces energy.
B. a string of holiday lights.
<span>The scientific method involves developing and testing conclusions by following a prescribed sequence of steps</span>
Chemical bonds are bonds that join atoms and hold them together enabling them to form different compunds and molecules. There are different types of bonds (single, double, triple, covalent) which form depending on the atoms that are being attracted and depending on their attraction.
An example can be the hydrogen bonds that form in water molecules joing hydrogen atoms to oxygen atoms, as shown in the image below.
Hope it helped,
BioTeacher101
I think that the answer would be a or d.
i dont know.
Hope this helps