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The two blocs of the Cold War


The Cold War (1947/1991) is known as the "ideological" war between the Western Block (lead by the USA) and the Eastern Block (lead by USSR). USA and its a...

CA
Answered by Claire A. History tutor
12634 Views

What is the difference between an animal cell and a plant cell?

It's easy to tell the difference between an animal cell and a plant cell when you look at it,because a plant cell has a rigid wall around it. This keeps the cell in the right shape. An animal cell looks a...

EO
Answered by Elizabeth O. Biology tutor
10182 Views

How do I solve the following question. 'Find the values of x such that 2log3(x) - log3(x-2) = 2'.

How do I solve the following question. 'Find the values of x such that 2log3(x) - log3(x-2) = 2'.To simplify this equation in order to solve it, the first step is to simplify the 2lo...

LR
Answered by Lauren R. Maths tutor
17449 Views

What is the role of cilia and mucus in the lungs?


The cilia and sticky mucus work together to protect the lungs from infection, forming what is known as a mucociliary escalator. The mucus traps any bacteria or pathogens as they enter the lungs, and...

CH
Answered by Corrina H. Biology tutor
18928 Views

Why are people with cystic fibrosis more prone to developing lung infections?

Cystic fibrosis is a genetic condition which causes an increase in thick mucus, which can become deposited in the lungs. The condition affects the body's ability to control the salt and water which moves ...

MK
Answered by Mahum K. Biology tutor
3205 Views

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