Fill in the sentence blanks: When your cause-effect can be used to evaluate a about a phenomenon, scientists call it a . Please help, this assignment is already late! :(

i think that c)gold was found there

but i am not sure

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;