Predict what will happen when 50 mL of water is added to 50 mL of sand. What will the final volume be?

It would probably be 100 mL.

Explanation:

The law of conservation of mass states that all mass must be equal. So 50 mL plus 50 mL is 100mL.

the answer would be in this answer. someone already asked the question.  

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.