Answer:
The hydrogen bonds that form when water freezes into ice allow the molecules to be spaced farther apart, thus making them take more space, decreasing the overall density and making it float in the water.
Explanation:
As temperature increases additional heat energy is applied to the consituent part of a solid which cause additional molecular motion.
Answer:
it goes up until we help it to but the moment we stop support it gets affected by gravity and goes back
Explanation:
Iduction uses magnets to create heat, conduction requires more electricity to creat heat.
The girls distance is 50 km in 2 hours.