The measure of the quantity of matter would be mass. Mass is measured in kilograms. I hope this helped!:)
Answer:
C. Waves transfer energy, but not matter.
Explanation: hope this helps :)
Earth has its own atmosphere. That is one reason all the water that has been on Earth has been recycled through the water cycle. It never leaves Earth’s atmosphere.
a) PE=mgh=0.2*9.8*1.2=2.352 J
b) KE=PE=2.352 J
c) 
m/s
