What we can say about the frequency of x-linked recessive traits is that the frequency of the allele for the recessive x-linked traits is assumed to be equal to the proportion of males with the recessive phenotype.
It’s d I took test yesterday got 1000
Phosphorus: a vital source of animal nutrition. Phosphorus is one of the most important minerals in animal nutrition. It is the second most abundant element in an animal's body after calcium, with 80% of phosphorus found in the bones and teeth, with the remainder located in the body fluids and soft tissue.
B makes the most sense because wind is constantly moving, and you can also use process of elimination. Wind has no pressure it’s only speed, so knock those out. Two air masses meeting would mean that they may have equal speeds against each other not really causing movement so it would be B. Hope this helps <3