When Jacob starts running his legs Move faster heart rate increases which type of muscles are involved in these changes

Why do cells appear different in distilled water than they do in 10% salt water?

What is the percentage of hydrogen in nitrogen trihydride

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