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Why do volcanoes and earthquakes occur at destructive plate margins?

Destructive plate margins are where a plate of higher density is subducted, or forced underneath, another, less dense plate.

This occurs due to convection cur...

LS
Answered by Laura S. Geography tutor
40686 Views

Outline the differences between the three different types of rock.

Igneous rocks

Igneous rocks are distinguishable by the fact that they are made up of crystals, which vary in size depending o...

LS
Answered by Laura S. Geography tutor
17599 Views

How do I ask a question in French?

There are three ways of turning a statement into a question in French. They are all equally good, but are perhaps used in slightly different situations, as I will explain.

The first (and easie...

IK
Answered by Isabel K. French tutor
4196 Views

What is Reverse Polish Notation?

Reverse Polish Notation (or RPN) is simply a different mathematical way of laying out equations, take for example the expression:
7+ 9
The layout is <First number> <Operator> <Sec...

NP
Answered by Nick P. Computing tutor
5329 Views

How are blood glucose levels regulated in humans?

Blood glucose homeostasis involves maintaining the levels of blood glucose within a very narrow limit around a set point (90mg 100cm-3). This is done via hormonal regulation. On one hand, insulin which is...

CM
Answered by Christie M. Biology tutor
5135 Views

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