Answer:
The mixing of two chemicals may result in the production of a gas which is lost to the air. This will reduce the mass of the chemical mixture, because mass is being lost in a gaseous form.
Answer:
A zigzag is a line that has a series of angles in it like a continuous series of 'W's. They staggered in a zigzag across the tarmac. ... a zigzag pattern.
when forces are balanced the object does not move.
Explanation:
if you and your friend push both sides of the chair at the same time with the same amount of strength the chair wouldn't move.