Answer:
It is the scientific method of investigation problem-solving used by disease detectives like epidemiologists, laboratory scientists, statisticians, physicians and other health care providers, and public health professionals, to get to the root of health problems and outbreaks in a community.
Explanation:
Answer:
form fraternal or dizygotic twins, two eggs are fertilised by two sperm and produce two genetically unique children.
Explanation:
A. an open circulatory system
Explanation: In an open circulatory system, the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemocoel
Conduct heat, allow the formation of new molecules and the splitting of molecules
