1. Find an algebraic expression for the electric field strength E0 at the surface of a charged sphere in terms of the sphere's potential V0 and radius R. 2) What is the electric field strength at the surface of a 0.80-{\rm cm}-diameter marble charged to 550 V?

in this image, you can see solar radiation going through ocean water.

no image, but probably absorption

a. carbon monoxide from car exhaust

b.particulate matter, such as soot

c.water vapor from a factory smokestack

d.acid rain

these are the answer choices im on that question right now