The idea that all living things are made up of cells is considered scientific law. this means the idea
a)is an emerging scientific idea that has a logical explanation.
b)has been tested with similar results at least twice.
c)is supported by scientific consensus and a large amount of evidence.
d)has been rejected only once by the scientific community.

What is the role of lenses in microscopy?

The total amount of energy contained in an object

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.