Why does round pizza come in square box? Do fishes never feel thirsty ? If they do then what do ocean fishes do? Can we cry under water? What if sun and moon were 2 kids?

							
expensive to produce, because they be assembled from one sheet of cardboard. ... But square boxes are wasteful, and a circular pizza simply doesn't need all the extra space a square box provides.
						

							
Freshwater fish don't actually drink at all. They absorb all the water they need through their gills. So, they're fine. They don't ever get thirsty.
						

							
No, it is not possible to cry under water, because crying requires breathing rapidly and since you can't breathe underwater, unless you can, you will most likely drown from excess of water in your mouth/lungs. However, tears can be shed just like you are able to pass urine or jerk off, for that matter.
						

							
The Sun is a star found at the center of the Solar System. It makes up around 99.86% of the Solar System's mass. At around 1,392,000 kilometres (865,000 miles) wide, the Sun's diameter is about 110 times wider than Earth's. Around 74% of the Sun's mass is made up of hydrogen.
						

							
in square boxes it iseasy to handle and for manufacture so instead of cylindrical box cuboidal boxes are made this is the only reason for this purpose
						

							
fishes actually dont drink water they absorbs the water from their body so they never feel thristy
they have the capability to absorb and use the ocean water for the fulfillment of water
hope this will help
 
						

							
when we cry our nose is open we need a lot of air to respirate but it is not available in water so you can not cry under the water
						

							
The Sun is the star . It is a sphere of hot plasma, with internal motion that generates a magnetic field . It is  the most important source of energy for life on Earth
so if the sun would be a kid we would die because of less energy but if moon would be a kid we would die of exess heat