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Give two reasons why people continue to live in areas at risk from hazard events. (4)

For this question it is important to explain which hazardous event you are discussing. People often continue to live in volcanic environments because of the nutrients in the soil which are good for farming a...
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Answered by Helen C. • Geography tutor
21828 Views

Why is surface area to volume ratio bigger in smaller animals and vice versa?

In surface area to volume ratio (SA:Vol) we are comparing the outside surface area of an object to its internal volume. So imagine 3 rubber balls, one's small, one's medium, one's large. The smallest ball ha...
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Answered by Charlotte N. • Biology tutor
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What is supernormal profit?

When a firm is making a supernormal profit, this refers to a profit level at which new firms are willing to enter the market. This suggests that the firms currently in the market are making a profit level ab...
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Answered by Chris B. • Economics tutor
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0. There are 25 CDs in a box. A shop orders 14 boxes. How many CDs did the shop order? Answer: _________

This is a multiplication question. Say there were 2 CDs in a box and a shop ordered 10 boxes. How many CDs did the shop order? 20. In the same way this question can be approached. 25x14.
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Answered by Ramiz K. • Maths tutor
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Solve the simultaneous equations: 3x + 2y = 9 and x + 7y = 22.

A simultaneous equations can be solved in multiple ways. You are probably familiar with substitution and elimination. Today, we will focus on substitution. As you can see, both equations represent a relation...
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Answered by Sara D. • Maths tutor
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