Which aspect of an object was related to buoyancy in the "Density and Buoyancy" lab? A: mass

B: density

C: weight

D: size

If element x has 99 protons how many electrons does it have

Petroleum contains energy. a. light b. kinetic c. chemical d. mechanical

You add 800 ml of water at 20c to 800 ml of water at 80c what is the most likely final temperature of the mixture ? a. 100c b. 60c c. 25 c d.50c