Explanation:
Water the essential constituent of protoplasm of living cells because it is directly involved in countless biochemical reactions like photosynthesis and respiration without it cells couldn't move waste and by-products taking nutrients perform intracellular Transportation functioning and signaling
The two objects are net force and mass.
The net force is the total amount of force going on one direction, and mass is amount of matter in which it's contained in a particle/object.
Hope this helps!
A moon jellyfish has a transparent body.
