Not one specific person discovered medicine
Answer: A steam engine is an external combustion engine (ECE) in which the fuel is combusted outside of the engine, unlike an internal combustion engine (ICE) in which fuel is combusted inside the engine. ECEs have a lower thermal efficiency, but carbon monoxide production is more readily regulated.
Answer: IVIG
Explanation:
GUILLIAN BARRE syndrome the immune systems produces harmful antibodies that attack the nerves. IVIG is a treatment that contains healthy antibodies from donated blood and is the most commonly used treatment for this disease.
Answer:
Epidemiological.
Explanation:
Epidemiological study may be defined as the type of study that includes the different group of the human population to understand the factors that might affects the health.
This study also explains the risk of a particular factor in the population. In the given question, the study is done to understand the relationship between the delayed physical growth and low-income. This clearly explains the epidemological study and this study also have proper design to study the population in cohort.
Thus, the answer is epidemiological.