Kyle wanted to make some extra money over the summer. He decided that, to make the most money possible, he needed to gather scientific evidence about which tasks would pay the most. To obtain the evidence he needed, Kyle polled his neighbors about how much they were willing to pay him for the different tasks. Then he made the graph shown. Which task will earn Kyle the most money per hour? A. walking dogs B. washing cars C. mowing lawns D. painting fences

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

What are some natural processes that represent physical and chemical changes?

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos