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Discuss the advantages and disadvantages of soft and hard engineering as a river flood management strategy

Outline some of examples of soft and hard engineering techniques as well as their definition. Soft engineering advantages include: Relatively cheap, low maintenance, environmentally friendly and 'green', wor...
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Answered by Daniel M. • Geography tutor
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How do I write analytically about an unseen poem in the exam?

Step 1: Read the question carefully, highlight and annotate keywords as you go. Write a list of poetic techniques. Step 2: Read through the poem with the key theme of the question in mind. Step 3: Read it ag...
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How do I know when to use the imperfect tense of the preterite tense?

Both the imperfect tense and the preterite tense are used to describe the past. However, they are used to describe different things. The imperfect tense is used to describe actions that happened repeatedly a...
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Answered by Bryony B. • Spanish tutor
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2.11g of MgCl2 is added to 30cm3 of water. Find the concentration of chloride ions in the solution.

M r of MgCl 2 = 24.3 + 2(35.5) = 95.3 Moles added = 2.11/95.3 = 0.02214 Mol of cl - added = 2 0.02214 = 0.04428 Conc = 0.04428/(30 10 -3 ) = 1.48 moldm -3
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Answered by James S. • Chemistry tutor
3234 Views

How does blood flow through the heart?

The heart is the muscle responsible for pumping blood around the body. It has four chambers: an atrium and ventricle on the left, and an atrium and ventricle on the right. Atrioventricular and semilunar valv...
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Answered by Moriom B. • Biology tutor
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