Answer:
it has six significant figures
Solution: Change in state of matter is a physical change because of the physical condition and appearance changes but not the chemical composition.
I do believe the answer is:D.
Potential energy (Pe) = m*g*h
m = 4 kg
g = 10 m/s²
h = 3 m
And now:
Pe = 4*10*3
Pe = 120 Joules ou J
Answer:
2. Plants and animals.
5. The layers have different ages with the youngest layer on top.
6. Sedimention.
7. The presence of unconformities.
