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Explain the formation of a waterfall

Waterfalls form in the upper course of the river, as a result of a process called differential erosion . Bands of geology have varying resistances to erosion; as the river channel flows across different band...
EC
Answered by Emily C. • Geography tutor
11954 Views

What were the causes of the failure of the chartist movement?

The chartist movement lacked coordination, small numbers of chartists organised themselves in local areas and maintained little connection to each other which made cooperation on a national level difficult. ...
TM
Answered by Thomas M. • History tutor
7629 Views

express the number 84 as a product of its prime factors

84/2 = 4242/2 = 2121/3 = 77 /7 = 1therefore answer is 2x2x3x7
HB
Answered by Hannah B. • Maths tutor
9079 Views

Give the definition of an externality and explain why it is a market failure?

An externality is the cost or benefit of an economic transaction to any party that was not part of the economic transaction. Examples would be the negative cost on society of smoking through second hand smok...
TD
2493 Views

Describe and explain how blood glucose levels are controlled following a meal.

Following a meal, the levels of glucose in the blood will increase. This increase in the level of glucose needs to be controlled, otherwise the levels of glucose will become too high and someone could end up...
DU
Answered by Dr Usama A. • Biology tutor
3671 Views