Answer: What makes the Earth habitable? It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
Explanation:
I do not know of the following in your class, but the wall is still and non-moving, while the hockey player is pushing off of it, as stated. So, this is not inertia, for a fact, because the wall is not moving towards the hockey player.
The pia mater<span> is the innermost layer of the meninges and attaches directly to the brain and spinal cord.</span>
Answer:
a.
b.Repulsive
Explanation:
We are given that



r=1.66m
We know that
Electrostatic force =
r=Distance between 
k=Constant=
Using the formula
a.The magnitude of the electrostatic force=
The magnitude of the electrostatic force=
b.Both charge are positive .We know that when like charges repel each other and unlike charges attract to each other.
Therefore, the force between given charges is repulsive.