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What could be interpret about the formation of a sedimentary rock from the information that its grains are, in the majority, fine and well rounded?

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 sediment h...
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Answered by Adela B. • Geology tutor
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What is the process of natural selection?

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 they w...
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Answered by Adela B. • Biology tutor
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What’s the difference between characteristics caused by environmental and genetic factors?

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 condit...
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Answered by Adela B. • Biology tutor
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Integrate x^2 + 1/ x^3 +3x +2 using limits of 1 and 0

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). However...
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Answered by Aaron T. • Maths tutor
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How can you work out what agrees with what in a Latin sentence?

Let’s take this sentence from Virgil's Aeneid , Book 2 : 'tempus erat quo prima quies mortalibus aegris incipit et dono divum gratissima serpit' . Let's analyse each ending. First, sort the nouns from the ve...
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Answered by Alice B. • Latin tutor
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