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Describe the Hjulström curve.

The critical erosion velocity line shows the minimum velocity needed to transport and erode a particle. Common sense tells us that the larger the particle, the more energy it needs to pick it up and be erode...
HF
Answered by Hayley F. • Geography tutor
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Draw the full curly mechanism for the reaction between Bromo-Methane and NaOH. What reaction is it?

The negatively charged OH group attacks the backside of the Bromo-Methane (backside in the sense that it is the opposite side to which Bromine is bonded). A transition state consisting of a central Carbon at...
BB
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What is the gradient of the graph y = 3x^2 + 5x + 2, when x is 4?

To find the gradient of the graph, we need to differentiate the equation. So if y = x n ==> the derivative dy/dx = nx n-1 This means that dy/dx = 6x + 5 for this equation So the gradient (dy/dx) when x = ...
RH
Answered by Rishabh H. • Maths tutor
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Janice has cystic fibrosis. Cystic fibrosis is caused by a recessive allele (f). What is the probability of her baby having cystic fibrosis? The baby’s father is heterozygous for cystic fibrosis.

Answer = 50% chance of developing cystic fibrosis
VP
Answered by Vishal P. • Biology tutor
4706 Views

translate into english the following sentence: Caesar, acceptis litteris, proficisci constituit

Caesar, after the letters had been received, decided to set out
HB
Answered by Hermione B. • Latin tutor
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