What will happen if the cloud does not have enough mass? A core will form.
A star will not form.
A protostar will form.
A nebula will not form.

How is the composition of a meteorite relevant to finding out the composition of earth's core?

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons