The answer would be a.
a chemical change is a change to the chemical makeup of a substance so if the bonds are unchanged it would be a characteristic of a physical change
<span>speed = wavelength x frequency
speed = 0.4m X 10 Hz
speed = 4 m/s</span>
Answer:
Maybe put them in order ????
Explanation:
Answer:
Geothermal
Explanation:
Geothermal is obtained from the heat from the ground which makes it friendly
Answer:
When something happens, energy is changed from one form into another.
Explanation:
correct me if I'm wrong
