Fan is electircal energy
Lamp's orignal energy source is electrical energy.
Its a solid because it would melt
Option (A) identifies them correctly.
During Meosis 2 daughter cells are formed from a single cell and the chromosomes are equally divided in both the cells.
So, Cell P had 60 chromosome, after miosis 2 daughter cells of each having 30 chromosomes formed, and again after Miosis of from each of those 2 those daughter cells, 2 more daughter cells are formed with equal naumber of chtomosome which equals 15.
Vestigial structures. These are structural elements that once served a purpose but as the organism evolved now serves no purpose.
