Suppose you want to design a controlled experiment about how to keep cut flowers fresh for a longer period of time. you hypothesize that adding sugar to the water in the vase will keep cut flowers fresh for a longer period of time. how would you design a controlled experiment for this investigation?

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

this was from the link provided:

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.