I’m guessing San francisco was cooler and st. louis was warmer?
Punnet Square
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changes in the color of the peppered moth population in England
Answer: phosphates absorbed by plant roots
Explanation:
The inorganic phosphate ions are available in the rocks which are distributed into the soil by the withering process. The aquatic plants absorb the phosphate ions through their roots. The plants are consumed by the animals. The inorganic phosphate is converted by the plants and animals into organic form incorporated in the DNA.
