The answer is 254 bc you just subtract
Physical change alters a given material without changing its chemical.
Answer:
The most accurate way to determine an object's volume, especially in the case of an irregularly shaped object, is to immerse it in water and measure the amount of water it displaces. A graduated cylinder large enough to hold both the object and enough water to fully immerse it is the best tool for this job.
Hydrogen. It is made up of one electron and one proton.
(3) nuclear fusion. Nuclear fusion reactions release a lot of energy
