Answer:
Pathologist
Explanation:
A pathologist plays a crucial role in medical care. Sometimes called “the doctor's doctor,” they help the treating physician diagnose a patient and pinpoint the best course of treatment
Answer: genetic engineering
Explanation
Genetic engineering is the modification of an organism's phenotype by manipulating its genetic material. Some genetic engineering uses the principle of recombination. Recombination is the process through which a new gene is inserted into a bacterial DNA "The plasmid".
It starts as a raindrop which is rain than it goes to the ocean,rivers,puddles or any body of water and from there it evaporates which makes the clouds and than it starts all over when the clouds already got enough water.
protons, neutrons, and electrons
It's called radioactive dating