Salt because adding salt lowers the freezing tempurature of ice (basically it has to be colder to stay frozen)
Turning off the switch breaks the electrical current to the light - no supply of energy, the light goes off.
The answer to this question would be: half of
Gametes cell is a haploid cell that only has half of genetic material from the parent cells. The process of making gamete cells is called meiosis.
The gamete is haploid because it was used in fertilization and need to fuse with other gametes(example: sperm with the egg) resulting in a full paired chromosomes.
