Please answer this: Two brothers liked natural sciences. Ben decided to study Ecology, while his brother Dan decided to study Geography. They studied a lot and became very good at these subjects. Which brother studied more nonliving components of the habitat?
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Answer: Ben

Please answer this: Doctors studied the blood of 2 sisters, Ann and Julie. Ann had sickle cell anemia, Julie did not. Which sister was not homozygous recessive ( ss ) for the sickle cell trait?
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Answer: Julie

Please answer this: The ozone layer helps organisms by protecting them from Sun's ultraviolet radiation. To find the usefulness of ozone layer Mike wanted to see how much ozone are there in the atmosphere. He then collected three samples of atmosphere, sample A sample B, and sample C. Sample A was collected from the upper portion of the stratosphere. Sample B was collected from the lower portion of the stratosphere. Sample C was collected from the lower atmosphere. Would sample C have higher or lower concentration of ozone than sample B?
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Answer:
lower