The celery and potatoes in the salt water wilted and got soft because there was less water outside the cells. The water left to achieve balance. What could you do to make them firm again?

Adding more water outside the cells.

d bonding propertys

explanation:

carbon can form so many different compounds not just with oxygen

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.