Ice floats<span> on water </span>because<span> hydrogen bonding makes liquid water unusually dense</span>
Answer:
Polyploid cells have more than 2 sets of each chromosome. Hope that helped! :)
It is Big Bang and cannot be proved. A hypotheses must be testable. Big Bang is not testable.
The lateral hypothalamus signals an animal to start eating, whereas the <span>ventromedial </span>hypothalamus signals the animal to stop eating. So the correct option is the first one.
