Help me refine my hypothesis/ research question?
My research question is :What is the effect of motor oil (Mobil 1 5W-20 Advanced Full Synthetic) of on the hatch rate of Artemia?

and hypothesis: As the concentration of motor oil present in water increases, the hatch rate of Artemia decreases.

My teacher wants me to change it so that the concentrations levels of the motor oil are present in both the research question and hypothesis, so like this: What is the effect of motor oil (Mobil 1 5W-20 Advanced Full Synthetic) at concentration levels of 1mL/L, 2ml/L, 3mL/l etc. on the hatch rate of Artemia?

I have never written a research question or hypothesis with such specificity. Which one is better?

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

The accompanying figure shows the percent of selected dna sequences that match between a chimpanzee and other primates. these data support the hypothesis that the figure shows the percentage of selected d n a sequences that match between the chimpanzee and other primates. the human has an almost 98 percent match, the gorilla has an almost 97 percent match, the orangutan has a 96 percent match, the gibbon has an almost 95 percent match, and the old world monkey has an almost 92 percent match. the accompanying figure shows the percent of selected dna sequences that match between a chimpanzee and other primates. these data support the hypothesis that the figure shows the percentage of selected d n a sequences that match between the chimpanzee and other primates. the human has an almost 98 percent match, the gorilla has an almost 97 percent match, the orangutan has a 96 percent match, the gibbon has an almost 95 percent match, and the old world monkey has an almost 92 percent match. chimpanzees and gibbons are the most closely related the chimpanzee's closest surviving relative is humans orangutans are the primates least closely related to chimpanzees old world monkeys and gibbons are the most closely related

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.