Why is it appropriate that galileo galilei is known as a leader in the study of space

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

What if it is did darwin used to support his theory of evolution

What are the two major rules associated with polarity