Which of the following traits in humans can be affected b...
Which of the following traits in humans can be affected by environmental factors?
skin colour
eye colour
baldness
tongue-rolling
Correct answer is A
No explanation has been provided for this answer.
Which of these processes removes carbon from the atmosphere? ...
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The eye defect illustrated in the diagram is ...
In a typical freshwater habitat, the edge of the stream or pond constitutes the ...
The stomata of a leaf performs the same function as ...
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