Phosphorus<span> uptake by </span>plants<span>. </span>Plants<span> take up </span>phosphorus<span> from the soil solution as orthophosphate ion: either HPO4-2 or H2PO4-. The proportion in which these two forms are absorbed is determined by the soil pH, when at higher soil pH more HPO4-2 is taken up.</span>
I believe it would be Rr as the red is dominant over the yellow as they are the recessive gene creating the Rr.
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The plastic spoon type beak worked the best with the sunflower seeds. This means that a bird with a spoon type beak will survive the best with a food source like the seeds and then can continue to reproduce through life. The charts show which types of beaks have a better chance of survival based off the food options in the environment.
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Decomposition is the process by which dead organic substances are broken down into simpler organic matter such as carbon dioxide , water and mineral salt
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The Sun is the middle and is a source of heat