Two manx (tailless) cats produces a litter of kittens. Assuming that the manx allele is dominant and that having two dominant alleles is lethal, how many of the kittens would you expect to be manx

b. the carbon cycle ensures living things have a source of hydrogen

c. heat from the poles back down towards the equator.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

(nitrogen fixation) will be your answer sorry if im wrong