Compiles statistics and information on disease, publishes health information, and investigates and addresses serious health problems throughout the world. would work with providing vaccinations in third world countries.
The accident chain usually involves the situation which is the first chain, second would be the unsafe habit, third is unsafe action, fourth would be the accident and 5th or lastly is the result or the aftermath. The answer on the scenario would then be The Treatment.
Answer:
D) is the answer because it only allows particular molecules to get in and out
