A scientist who studies living things is called a biologist
It would be Carbon Dioxide.
Food takes about 6 to 8 hours to completely pass through the digestive tract.
Answer
The answer is watershed and that is an area that catches all the rain and snow.
The answer is penicillin
Rheumatic fever is a disease that caused by Group A streptococcus infection. The bacteria has component that similar to the heart valve cells, makes the immune cell attack it. The drug of choice for this infection is penicillin G benzathine injection. It is one of penicillin family drug that has high prevalence of allergy reaction, so you must be aware.
