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What is the lowest common multiple and the highest common factor of 120 and 150?

To approach a problem like this, we must first break down our number into a multiplication of prime factors (i.e. we can make our number by multiplying numbers 2,3,5,7 etc together). This is best done with a...
DW
Answered by Dominic W. • Maths tutor
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Name the respiration surface in humans, and describe how it is adapted to its function

The respiration surface in humans is the alveoli. It is adapted to its function as a gas exchange surface because it has a high surface area to volume ratio, this allows maximum surface area for gas exchange...
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Answered by Olivia G. • Biology tutor
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Text A: Charles Dickens , David Copperfield 1850, Text B: Twain, introduction of Chapters from my autobiography,1906. Document C: Magritte, Décalcomania 1966- How do writers/artists use their chosen medium to reveal their inner self?

An autobiography is a story about a person's life, written by that person. Both a biography and a portrait are the impetus for autobiographies and autoportraits as without a « bios » there is no « auto ». Di...
EJ
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Help! How do I rearrange equations?

Being able to manipulate equations is a very useful skill in Physics. Consider, for example, the relationship between mass, density and volume. m = ρ x v In the above equation, the mass, m is the subject bec...
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Answered by Ijeoma P. • Physics tutor
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State one difference between an animal cell and plant cell

Animal cell doesn’t have a cell wall but a plant cell does
MC
Answered by Morgan C. • Biology tutor
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