1700 times(x)
humans have 20 finger nails
The small intestine.
20
20 to 50 times their body length.
3200000
the scrubbing of your hands together for 20 seconds or any ohter body part.
20+5+0.1+0.06
Yes. They can stand about 1500 lbs. before buckling. And, they are 20 times stronger than your back, and 50 times stronger than your arms. If you are not convinced, when was the last time you ran with someone on your back piggy-back style when you were "walking on your arms?"
8,000
A grasshopper can leap to about 20 inches, which is 20 times the length of its body. Some species are said to be able to jump even farther.
It is not that 20 per cent of the water expands - all of the water expands.