Answer:
The mantle
Explanation:
The mantle is a plastic solid of varying densities which allow convection currents to flow molten rock towards the earth's surface resulting in volcanic activity, tectonic plate movement, earthquakes, and movement of continents.
Atomic number=Proton count
Atomic mass=Proton count+ neutron count
Neuton Count=Atomic mass-Proton count
Proton count=Atomic number=27
Mass number=74
Neuton count= 74-27=47
It is TRUE. The pivot point of a lever is called the fulcrum .
It's not in motion when the line straight and flat . there's #9
D chest tightness
I experienced these the past few days...
but hoped I helped ^_^
