What would be the most accurate way to describe resistance?

It is an object's ability to accept the flow of current and is measured in ohms.
It is an object's ability to accept the flow of electrons and is measured in volts.
It is an object's ability to reflect the neutral particles and is measured in volts.
It is an object's ability to reflect the positive particles and is measured in ohms.

The center of the milky way most likely contains a. empty space. b. a red giant star. c. a globular cluster. d. a supermassive black hole.

Jaylen is a championship runner of the school's track team. during one of his trials, his speed was measured at 15.1 m/s. find jaylen's kinetic energy during that trial if his mass is 54.6 kg.

The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.