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How do I answer a 'how far' essay question?

Example question: How far were economic pressures a decisive factor in persuading Saddam Hussein to invade Kuwait in 1990? As this is an A-Level question, the candidate will have to assess the different oppo...
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Answered by Daniel W. • History tutor
16311 Views

How do you form the possessive in Italian?

The possessive in Italian depends on the number and gender of the object, not the subject. For example, "Il suo gatto" / "His/her cat" ( nm ) "Le sue scarpe" / "His/her sho...
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Answered by Chloe B. • Italian tutor
4302 Views

What is a mutation and what are the consequences of one?

A mutation is a change in the genetic composition of the DNA. It is often caused by an accidental insertion, deletion or swapping of a single base however whole genes can also move. SNPs, or single nucleotid...
LM
Answered by Liam M. • Biology tutor
4907 Views

How does air enter the lungs for inspiration? What does the body do to make this happen?

Intercostal muscles and the diapragm contract, which causes the ribs to move upwards and outwards. This increases the volume of the thorax, therefore lowering the pressure within the lungs. The pressure of t...
IR
Answered by Isobel R. • Biology tutor
6753 Views

What is the difference between a nucleophile and an electrophile?

A nucleophile is a molecule or ion that donates a pair of electrons to form a new covalent bond. It is strongly attracted to a region of positive charge. Common nucleophiles include hydroxide ions; due to th...
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Answered by Liam M. • Chemistry tutor
23171 Views