Describe a proton, neutron, and electron. where are these particles located inside an atom.

Nonpoint source pollution is difficult to control because it

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

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.