Answer:
Explanation:
Quizlet is a cite i usually use. if you have a google account you can sign in on it for free. it will let you pull up the test you are studying for. it has questions with beside them. you can memorize the facts you need by reading over them several times and then seeing if you can remember them without looking.
hope this helps
The correct answer would be Dietary changes
Answer:
J.J. Thompson
Explanation:
Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray.
Answer:
Pathogen
Explanation:
A pathogen is an agest that causes diseases. It could be a bacteria, virus, fungi or protozoa
