Hope this helps!
Estrogen is made out of steroid hormones
Because with out energy we wouldn't be moving and we would always be sleeping.
Once the DNA of a person has been copied it can be compared to the DNA of other people by using PCR (Polymerase Chain Reaction).
About 33 because you are just sitting there playing video games the 33 calories burned are coming from sweat because you are probably sweating from an intense game.
