two particles are each given a charge of -5 x 10 C what is the force between the charged particles if the distance between them is 2 meters?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

How are positive ions different from neutral atoms