HELP PLEASE - Evolution is defined as a change in allele frequencies (a change in how common different alleles are) in a population over time. How is the relationship between malaria (an infectious disease) and sickle cell an example of human evolution? Cite specific evidence from our sickle cell lesson to support your argument.

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

What evidence could be used to convince policy makers to change a shipping lane from going through a whale breeding ground? information on the number of all whale species currently alive information on the number of all whales hit by boats in the given area information on the number of whale deaths in the world's oceans information on the number of whale offspring born every year. (a) scientists could collect and combine data on fish populations all around the world to show that their populations are declining. (b) scientists collect and combine data on fish populations all around the world to show that their populations are increasing. (c) scientists work together and use past data to show that fish populations are becoming locally extinct in some areas. (d) scientists work together and use past data to show that some fish populations are adapting to environmental changes.