Answer:
Genes or alleles
Explanation:
Genes and Alleles help with traits:)
Its A
110 400
235 x
Then cross multiply.... 110 times x = 110x
400 x 235 = 94000
then all that's left is to divide.
94000/110 :) = 854.46
Answer:
carbon dioxide
Explanation:
Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.
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?