It's something to do with the fact that having sickle cell anaemia reduces the chances of contracting malaria, obviously a very common disease in Africa. I'm not quite sure what the link is but hopefully this helps a little bit?
The most appropriate answer is d. they hire lobbyists. Lobbyists are individuals who attempt to influence government policies or legislature. Businesses pay these individuals to advocate on their behalf on policies and legislature. Lobbyists may be members of specific interest groups such as environmental protection or child care and protection.
The potential energy changes into kinetic energy. :)
Answer:
because theyre in our bodies and they have to be small to be in our bodies
Explanation:
