Answer:
The average speed must be 30mph so this means the car traveled for 2hrs 60/30
<span>It affects only one chemical reaction</span>
Atoms because electrons, neutrons and protons are in a atom
Answer:
1. Formation of a gas
2. Formation of precipitate
3. Liberation or absorption of heat, light, or some form of energy
4. Distinct change in color
<em><u>Hope this helps!</u></em>
<em><u>Please mark brainliest!</u></em>