Pretty sure physical, a chemical change would be something of the time of acid rain, meanwhile physical changes are the ones that affect the form not the actual chemical composition
Newtons first law states that an object will remain still or in straight line. Until acted upon some force!
Answer:
0.83
Explanation:
to figure out what m/s is you would divide the distance by time.
1000 divided by 1200 is equal to .83 so
.83 m/s as your final answer
Answer:B
Explanation:A is wrong, because there are multiple suns, not just one
C is wrong, because the universe is not known as the milky way, just our solar system. D is wrong, because the universe isnt gradually getting smaller, its gradually getting bigger, and yeah, the universe is mainly empty space, So B
