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What changes occurred to peasantry during the industrial revolution in England?

Probably the most apparent change during the industrialisation in the late 18th century, early 19th century is that urbanisation began. People moved to cities in the hope of getting a job there, since the ne...
Answered by • History tutor
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Describe how the body responds to immunisation

Immunisation introduces a specific antigen into the body. This is recognised as foreign and stimulates B lymphocytes to produce plasma cells and memory cells. Plasma cells go on to secrete specific antibodie...
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Answered by Zainab H. • Biology tutor
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There are 6 orange sweets and n total sweets in a bag. The probability of picking two sweets one at a time randomly and both being orange is 1/3. Show that n^2 - n - 90 = 0

Don't panic, focus on what you do know.You know 6/n * 5/(n-1) = 1/3or 30/(n^2-n) = 1/3simplify this to reach the target expression.
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Answered by Hussain A. • Maths tutor
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What are the two types of nucleotide bases which make up DNA, and which bases bond with one another? What is the difference with these bases in RNA?

The two types of nucleic bases are purines and pyrimidines. The purines are adenine and guanine, and the pyrimidines are cytosine and thymine. Purines always bond with pyrimidines and in DNA, adenine and thy...
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Answered by Nour J. • Biology tutor
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Is sodium deposited during the electrolysis of brine?

No, sodium is left in solution and forms Sodium Hydroxide due to Sodium reacting with OH- ions. This happens because sodium is much more reactive than hydrogen.
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Answered by Sarah O. • Chemistry tutor
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