Whats the charge of this

the focus of lesson 1 is newton's first law of motion - sometimes referred to as the law of inertia. newton's first law of motion is often stated as. an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

explanation:

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

continuous conducting path for current, power supply