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One piece of evidence for seafloor spreading is that with increased distance from the Mid Ocean Ridge (MOR), the age of rocks on the seafloor increases. This supports the concept that molten rock is eject...

The fact that the grains are well rounded suggests that they have been subjected to a relatively high level of erosion (due to the smoothing of sharp edges). From this, we could interpret that the sedimen...

Natural selection is able to occur due to variation within a species. Individuals with certain mutations/alleles may be better adapted to their environment than other members of their species, meaning the...

A characteristic that is determined by genetic factors is a feature which is coded for in a person's genetics, inherited from their parents, as opposed to environmental factors which are caused by the con...

By noticing the the numerator (x^2 + 1) is similar to the derivative of the denominator (x^3 +3x +2) you can integrate the function by using natural logarithms, to form the logarithm ln( x^3 +3x +2). Howe...