Answer: Injecting antibodies into the body.
Explanation: When you a vaccine, you are receiving a small dosage of the vaccine, causing you to have antibodies to protect your immune system if you were to get the virus.
Gametes, spores I think. I'm pretty sure that's it.
Answer:
They can use a technique called Polymerase Chain Reaction. This can be done in a test tube or even in a organism. It usually relies on something called Thermostable DNA Polymerase and Taq polymerase. It requires DNA primers that is designed specifically for that DNA region (interest).
Archean and Proterozonic which are both broken into early middle and late periods
(C.) The layers of the Earth are uniform in thickness
This is untrue. The mantle is far large than the crust and there are other large size differences.
