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Describe how a healthy kidney produces urine. (5 marks)

In this question you must first look at the wording. This is a describe question and therefore a description is required but not an explanation. It is worth 5 marks so aim to describe 5 or more reasons how a...
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Answered by Hannah G. Biology tutor
22780 Views

What is the difference between ionic and covalent bonding?

Covalent bonding is the sharing of a pair of electrons between atoms to make molecules e.g. CO 2 , whereas Ionic bonding is the transfer of electrons from one atom to the other to make a complete outer shell...
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Answered by Natalie S. Chemistry tutor
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What is an ablative absolute?

Ablative absolutes are a common type of phrase found in Latin. They seem a little complex at first, but once you learn to recognise them, they are one of the easiest kinds of phrase to notice and translate i...
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Answered by Nicholas C. Latin tutor
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How can I apply trigonometry rules to an isosceles triangle?

First, split the isosceles triangle down the middle to create a right angled triangle. Then label the opposite, hypotenuse and adjacent. The hypotenuse will be the longest side of the triangle, the opposite ...
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Answered by Gwen W. Maths tutor
35580 Views

factorise the quadratic: v^2+20v+19

Recap defintions: factorise essentially means making the equation simpler by finding the common factors. This is a simple quadratic because the first term has a coeffecient of 1. therefore we know it will fa...
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Answered by Taylor L. Maths tutor
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