Cystic fibrosis (CF) affects both males and females and people from
all racial and ethnic groups. However, the disease is most common among
Caucasians of Northern European descent.
CF also is common among Latinos and American Indians, especially the
Pueblo and Zuni. The disease is less common among African Americans and
Asian Americans.
C. Amino Acid , hope this helps
Answer:
Yes
Explanation:
Because scientists have discovered waves that rise up to be taller than some sky scrapers. However, rather than being found on sunny beaches in exotic locations around the world, these waves are three miles beneath the surface of the ocean.
I think the reservoir ( a human,animal or non living such as soil where the infectious agent normally lives)
secondly the mode of transmission,there are some modes of transmission that allow the pathogen to enter quickly and some that make the process slow.
and also crowding and the presence of co-infections.
i hope this helps