Answer the question based on the following text. Question: Sarah is carrying two tubs, one is filled with rocks, the other with feathers. The tub with rocks will be heavier because it is more dense or less dense? Text: A given volume of a denser substance is heavier than the same volume of a less dense substance.
more dense

Answer the question based on the following text. Question: John was watching the two men fighting and shoving each other. He observed that the softer they push, their movement will become Greater or Lesser? Text: When two skateboarders push against each other, it causes them to move apart. The harder they push together, the farther apart they move.
Lesser

Answer the question based on the following text. Question: Reid has a very fit genotype. If he compares this genotype to an even more fit genotype, his would be more likely to pass more or less copies of their alleles down? Text: Genotypes with greater fitness produce more offspring and pass more copies of their alleles to the next generation.
less