A persons jumps up when they steps on a soft loosing thing unknowingly. why​

because they don't feel the object is sturdy enough to be stepped on

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

maybe because its impossible for balloons to lift a whole entire house.