I need help finding the answer for this

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?

Ascientific blank must be testable and capable of being proven false?