Answer:
law of conservation of mass
Explanation:
self explanatory
Answer:
The answer would be B, PC13
Explanation:
You multiply the number by 1000 when you convert a measurement from kilometres to metres.
The prefix <em>kilo</em> means <em>×1000</em>, so
1 <em>kilo</em>metre means 1 metre <em>×1000</em>.
