Biology, 06.07.2019 01:40 Serenitybella
The ph indicator bromothymol blue turns yellow when co2 gas is added to a solution and blue when co2 is removed from a solution. an experiment will test how the intensity of light affects the rate of photosynthesis in algae. which of these should be a control for this experiment? a. algae that are placed in a yellow solution and keep in the direct sunlight. b. algae that are placed in a blue solution and kept in direct sunlight. c. algae that are placed in a yellow solution and kept in the dark. d. algae that are placed in a blue solution and kept in the dark.
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Biology, 21.06.2019 20:00
Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.
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Biology, 21.06.2019 20:00
In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls
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Biology, 21.06.2019 20:50
Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection
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Biology, 22.06.2019 06:00
Why does bubbling occur when vinegar mixed with baking soda
Answers: 1
The ph indicator bromothymol blue turns yellow when co2 gas is added to a solution and blue when co2...
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