Which is an example of a chemical change?
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding.
The time period will increase as you go higher, I believe. I hope it's right.
15 miles * 1 hour = 15 mph
15 mph / 10 miles = 1.5 hours
Answer:
Option D- 1,2 and 3
Explanation:
Gravity always acts on an object irrespective of height
