Answer:
c) charges exert forces on other charges.
Explanation:
When two different materials are rubbed together, there is a transfer of electrons from one material to the other material so this causes one object to become positively charged and the other object is negatively charged so they will attract each other not repel each other. Charges exert forces on other charges i.e. opposite charges attract each other whereas similar charges repel each other so in both cases force are exerted on one another.
The answer is A because the lighter or heavier the liquid is (in this case it depends) it flows up.
Answer:
The square of the orbital period of a planet is directly proportional to the cube of the semimajor axis of its orbit.
Explanation:
hope this helps.
