The flow of energy through living systems can be modeled as food chains food webs or energy pyramids the energy organisms need to live and grow first enter the ecosystem when which of the following occurs ​

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.

Declaration of independence basically declares war with britain while bill of rights is document with the rights of the people written down.

Ibelieve its c, hope this