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Keith_Richards [23]
3 years ago
8

Oxygen and air are? Abiotic or biotic 

Biology
2 answers:
satela [25.4K]3 years ago
7 0

Answer:

Oxygen and air are both abiotic because they do not have carbon atoms, therefore they are non living substances.

Bond [772]3 years ago
5 0

oxygen and air are abiotic

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If an RR plant is crossed with an rr plant than all the phenotype will produce round seed and the frequency of the Round seed plant to wrinkled seed plant would be 4:0.

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So all the phenotypes will be heterozygous dominant for the round seed which means that all phenotypes will have a single dominant allele for round seed which is enough to express round seeds in the phenotypes.

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