What is the definition of epistasis? A. When the allele of one gene masks the phenotype of another gene B. When the allele of one gene changes the phenotype of another gene C. When the allele of one gene changes the genotype of another gene D. When the allele of one gene masks the genotype of another gene

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explanation:

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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.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.

d. organisms have cells with different shapes and functions.