Answer: 
Explanation:
Given
the height of the tank is 
The diameter of the tank is 
Density of solution 
Water pressure at the bottom of the tank is





Wolves will hunt in packs to make hunting easier.
Answer: Gravitational force between the two masses does not depend on the medium separating two masses.
Answer:
<u>The answer is the third option.</u>
Explanation:
The electrostatic force, Coulomb's force, is a force that depends on the inverse of the square distance, it is a non-contact force.
On the other hand, stretched spring is a contact force, it needs a contact external force.
Therefore, <u>the answer is the third option.</u>
I hope it helps you!