Top answers

What is a reflex arc and why is it important?

A reflex arc is made up of a receptor (which detects a stimulus), a sensory neurone , a relay neurone , a motor neurone and an effector (which brings about a response). The neurones are not joined to each ot...
JB
Answered by Janella B. • Biology tutor
5470 Views

What is price elasticity of demand?

Price elasticity of demand (PED) shows by how much demand will increase or decrease with a change in price where 0-1 represents low PED and >1 means a high PED.If a product has a low PED (e.g. 0.5) then a...
JW
2416 Views

Describe and explain the difference in base strength between ammonia, primary aliphatic and primary aromatic amines.

Alkyl groups increase basicity because: 1) They push electron density onto the nitrogen atom, which makes the nitrogen lone pair more attractive to hydrogen ions. 2) They stabilise the positive charge on the...
SB
Answered by Sophie B. • Chemistry tutor
12266 Views

When is the congiuntivo used? What is an easy way to remember the conjugation?

The congiuntivo (subjunctive) is one of the verb moods that even native Italian speakers tend to have the most trouble with. It is used to describe a hypothetical scenario, or it may follow verbs expressing ...
ML
2116 Views

What is the best way to structure an English Internal Oral Commentary (IOC)?

There is no one way to structure an IOC properly, but having a solid structure is essential if you wish to achieve high marks. It mainly depends on what the text type is. If you are analysing a poem, it may ...
ML
2797 Views