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During folding, how are joints formed in sandstone and cleavage formed in shale?

When beds undergo folding, the fold hinge stretches and experiences tension which can create extensional joints during compression. Often the fractures will infill with a mineral precipitate, forming a vein....
RM
Answered by Rhiannon M. • Geology tutor
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How do I go about writing my essay in Spanish?

When writing your essay, it is important to think about the structure so that it reads well, as well as making sure the language and grammar is accurate. Start your essay by introducing the topic and letting...
CF
Answered by Christina F. • Spanish tutor
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Find the derivative and following function and hence find the value of coordinates for when the function is at a stationary point:

y = e x x 2 + e x : The derivative can be found using the chain rule. (A reminder of the chain rule: if y is a product of two functions of x i.e if y = F(x)G(x) , the derivative is as follows: y I = F I (x)G...
MC
Answered by Michael C. • Maths tutor
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The formula for finding the circumference of a circle is Equation: C = 2(pi)r . What can we do if we know the circumference but want to know the radius?

Rearange the equation to make r the subject of the formula. So we divide both sides by 2(pi)
AM
Answered by Amy M. • Maths tutor
7067 Views

Describe you interests and hobbies, how have they helped you develop as a person?

Describe hobby and attribute pesonal qualities, such as team work, enthusiasm. Appropriet choice of hobbies. Aiming to teach the student how to write about themselves constructively for a work/ university ap...
AM
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