Meiosis 1 makes 2 Haploid cells from one Diploid cell. Meiosis 2 separates the sister chromatids in the haploid cell in order to make 4 daughter cells.
The answer is b physical change
I would radiation a robotics arm but for a heated surphace is Shiny surfaces are poor absorbers and emitters (but they are good reflectors of infrared radiation).
There are six atoms of oxygen in that compound.