When the heat source is removed from a fluid, convection currents in the fluid will
a.
speed up.
b.
change direction.
c.
eventually stop.
d.
continue at the same rate forever.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium