What is an example of a beneficial mutation? The answer can't be:
HIV Resistance
Bone density
Malaria resistance

Please help, I have to get this assignment turned in by today

In a search a driver needs to look in a of distances far away to near, as well as to the left, right and rear of the vehicle, making efficient use of both central and fringe vision. a) fast manner b) systematic manner c) slow manner d) aggressive