The earth has a vertical electric field at the surface, pointing down, that averages 119 N/C . This field is maintained by various atmospheric processes, including lightning. What is the excess charge on the surface of the earth

Describe the function of the endomembrane system? what organelles are involved?

What equation is used to calculate the weight of an object on a plant ?

If a negatively charged particle is placed at rest in an electric potential field that increases in the positive x-direction, what will the particle do? a. accelerate in the positive x-direction b. remain at rest c. accelerate in the negative x-direction