Answer:
i dont think that trying ciggarettes is good for your health anyways getting enugh sleep and having good self esteem
Explanation:
The answer is underextension
Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!
Answer:
biological
Explanation:
Sneezing<u><em> releases microorganisms into the air.</em></u> If Joey sneezes into the food, he will be introducing the microorganisms into it that will potentially multiply and cause food-borne illness. This is an example of improper handling of food. Such situation is also considered a <em>cross-contamination</em>. It is biological in nature because living organisms contaminated the food.
He believed that disease was caused by physical and environmental factors that could be studied.