Which kind of wind is most likely responsible for the movement of this weather system from Dallas to St. Louis and then to Pittsburgh?
O A. Trade winds
B. Westerlies
C. Southern polar easterlies
O D. Northern polar easterlies
pls answer fast

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.