Answer: In modern view, the origin of variation is mutation. Since Darwin stated that variation will occurs in the most useful part and is retained, most people don't use their left hands, if according to Darwin's theory, those left hands should be going to extinct by now.
If Darwin's theory of variation is acceptable, then dwarfs who always want to be giant, by stretching the body, would have become giant by now.
Darwin just had a general idea about variation, offsprings tends to change in appearance from the parents. But this variation is not in terms of usefulness of the body parts of the parents, it is in terms of Gene mutation of the parents in their offspring.
Explanation: Darwin's 1859 theory set out a theory of Evolution by natural selection to explain adaptation and speciation.
According to Darwin's theory, individual of one generation are qualitatively different from one another this is as a result of natural selection. But in modern science, this is as a result of Gene mutation.
Carl must have eczema due to the low attention he gives to his skin, as not using moisturizing or sun cream makes it dry and sensible. He shouldn't carry on scratching as doing it will only make it worse. Instead, he should try and wear long sleeves sweaters and apply some moisturizing in the affected zone.
THE ANSWER TO THIS QUESTION IS TRUE
<span>This was a pseudoscientific diagnosis applied to black slaves who were wanting to run away from their masters. It was thought that, by running away from the plantation, black slaves were showing that they simply did not want to do the work that was Biblically intended for them. The idea that slave-masters could treat their help as equals was seen as a contributing factor, in the mind of Samuel Cartwright, the physician who conjectured this specific malady.</span>
