One could tell if a solid was non-polar if it: (4 Points)

Dissolved in a non-polar solvent like oil.

Dissolved in homogenous mixture like milk.

Contained only ionic bonds.

Dissolved in large amounts of water.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

May someone me with these science questions