Mutations that occur in dna sequences during replication a) usually harmless to the individual who inherits the mutation b) usually harmful to the individual who inherits the mutation c) mistakes that are always fixed through cellular processes d) often related to disease

b

Explanation:not sure tho

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.