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How can I reach the top marks in the longer questions of the written exam?

This is your chance to show off. This is the point in the written exam where examiners are looking to descriminate between the A* and the B candidates. You want to show them (or at least make them think) tha...
IB
Answered by Isabella B. • Spanish tutor
2634 Views

Describe the general structure of an atom.

Atoms are made up of three subatomic particles. These are protons, electrons and neutrons. Protons are POSitivly charged. Neutrons are NEUtral. Electrons are negative (electic shocks are bad). The nucleus (o...
MJ
Answered by Miriam J. • Chemistry tutor
15550 Views

Explain how information passes between neurons in the nervous system

Individual neurons do not physically touch but are connected by synapses. These are small gaps between neurons. Signals or information are passed over the synapse between neurons, which allows information to...
CC
Answered by Catriona C. • Biology tutor
36301 Views

What is a reflex arc?

A reflex is an involuntary response to a sensory stimulus. The pathway of neurones involved in a reflex is known as a reflex arc. A reflex arc - such as quickly moving your hand away from a hot flame - invol...
SB
Answered by Sundas B. • Biology tutor
16938 Views

There is no evidence for God, so belief in God is irrational. Discuss.

There is no proof for God, in the sense that would compel all rational thinkers to agree that God exists, but there is at least some evidence, the robustness of which is up for debate. For example, there are...
DT
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