What are two pieces of evidence that support the Big Bang Theory? Blueshift and Gamma Background Radiation
Redshift and Visible Light Radiation
Redshift and Cosmic Background Radiation
Blueshift and Radio Wave Radiation

Afraidsugar lol it’s the third one

Ahigh energy (high speed) particle (alpha or beta or neutron) are shot at the target;

Vander waals forces are inter molecular bonds that exist within molecules of the same substance. a water molecule is made up of oxygen and hydrogen atoms which share electrons between each other. the vander waals forces are forces that exist between multitude of different  molecules of water. dipole dipole forces is the type of vander waals force that exist in water. the oxygen atom which is more electronegative pulls the shared electron closer to itself thus generating a partial negative charge while the hydrogen acquire a partial positive charge. these two different charges causes attraction to occur in water molecules.