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How can I get 8 points out of 8 in Question d of the Economics HL Paper 2?

It is important that you always get back to article and you develop the arguments mentioned. If for example, you get a question on how to cure a curernt account deficit, I would suggest to: 1. Read carefully...
GE
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I don't understand why carbon forms 4 bonds but nitrogen doesn't form 5.

Carbon has 4 electrons in its outer shell, a pair in the 2s and two unpaired electrons in the 2p. For covalent bonds to form, each atom must donate one unpaired electron. Carbon makes four bonds because it c...
RH
Answered by Ryan H. • Chemistry tutor
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Explain 2 features of a pluton/surrounding country rock that may influence the width of themetamorphic aureoles

When a pluton (essentially a large pocket of magma) intrudes into rock, the heat from the pluton 'bakes' the surrounding rock- remember that heating a rock to high temperatures will initiate contact metamorp...
DS
Answered by Demi S. • Geology tutor
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Elements in the periodic table show a trend in atomic radius. State and explain the trend in atomic radius from Li to F.

The atomic radii of an atom is essentially the distance from the centre of the nucleus to the outer shell of electrons- so atoms that are very small and have a small distance from the nucleus to the outer sh...
DS
Answered by Demi S. • Chemistry tutor
10711 Views

What is Quantitative Easing and evaluate how it impacts an economy?

Quantitative Easing is the introduction of new money into the money supply and is performed by the central bank. There are several effects associated with quantitative easing, one such positive impact is tha...
BW
Answered by Brandon W. • Economics tutor
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