Answer: Unless an object is at Absolute Zero temperature, its atoms are in constant movement, either vibrating in a solid, or bouncing around in liquid or gas. Energy excites atoms. Excited atoms move faster. Any object above Absolute Zero is said to have SOME heat. The faster an objects atoms are moving, the higher its temperature is said to be.
Answer: That really depends on the guy/situation. He may or may not still have feelings for you, but I think deep down we never let go of the ones we truly love and care about. So, I believe the answer is absolutely.
Answer: Talk to your mom about it, or if you truly love your boyfriend, then try a long distance relationship. Depending on how old you are, maybe your mom will let you guys visit each other when you move into your new house.
Answer: Crocodiles, like all reptiles, engage in sexual reproduction. A male fertilizes a female, who then lays eggs which will eventually hatch, releasing baby crocodiles who will have to fend for themselves; their parents will not take care of them.