I don’t quite understand what your asking but if your asking if it’s a mystery then no it isn’t but if this was not the answer you were looking for I suggest you put it another way that makes more sense
The chemical that promotes phototropism is auxin
Answer: The Chromatic aberration weakened the images of stars.
Endosperm is the reservoir of nutrients in the developing embryo or germinating seed.
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BLACKSHARK
Answer:
Incubation period
Explanation:
The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient). It is during this time the pathogen begins multiplying in the host