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How is the lung adapted for gas exchange?

Large surface area: Branches off, starting with bronchioles until microscopic in size with air filled sacs called alveoli. The alveoli also have massive capiliary networks surrounding them so there is a big ...
MK
Answered by Miss K. • Biology tutor
3709 Views

The population of sheep on an island is 170. The population of the sheep is expected to increase by 3% each year, what will the population of sheep be in 5 years time? [3 marks]

Information from question Initial population: 170 Increase: 3% (=x1.03) Years: 5 Method Formula : initial value x increase years 170 x 1.03 5 = 197 sheep Proof 170 x 1.03 = 175.1 (1st year) 175.1 x 1.03 = 18...
RP
Answered by Russell P. • Maths tutor
3438 Views

Why were Jewish ghettos set up in Nazi occupied territories 1939-41?

Ghettos were established in Poland in 1940/41 for a multitude of reasons. Millions more Jews came under German control after the invasions of Poland and the Soviet Union. Nazi ideology, specifically antisemi...
AS
Answered by Amber S. • History tutor
2634 Views

Discuss the importance of the Beast in Goulding's Lord of the Flies

Goulding’s 1954 novella ‘Lord of the Flies’ presents an allegorical warning concerned with the intrinsic evil in all men, an idea expounded and explored through the presence of the ‘beastie.’ We can discuss ...
RB
18149 Views

What are minimum prices and what are the effects of minimum prices?

Minimum prices or price floors are the minimum legally allowed prices for a good set by the govenement. They are established for the benefit of producers/suppliers of essential goods such as wheat and milk. ...
KC
57502 Views