Two forces are described below: Force 1: The force with which Earth pulls a person to its center Force 2: The pulling force applied on a door to open it Which statement is true about the forces? Both are contact forces. Both are non-contact forces. Force 1 is a contact force and Force 2 is a non-contact force. Force 1 is a non-contact force and Force 2 is a contact force.

each  column  of the  table  is called a group. elements in a group share similar properties. groups are  read  from  top  to  bottom. metal. metalloid. nonmetal. solid. liquid. gas. fe. hg. o.  2. 3. 4. 5. 6. 7. 8. 9.  2. beryllium. 9.012. 4.  sodium. 22.990.  11. 3.  magnesium. 24.305.  12.  potassium. 39.098.  19. 4.  calcium. 40.078.  20. i guess  i  

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.