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What is palaeomagnetism?

Palaeomagnetism is a record of the Earth’s past magnetic field. When lava is erupted at the surface, magnetic minerals, such as iron, in the lava align parallel with the Earth’s magnetic field. The magnetic ...
LA
Answered by Lucy A. • Geology tutor
19359 Views

How does energy move through a food chain?

In most food chains, all of the energy which is used originally comes from the sun. Plants are "photoautotrophs", which means that they can use light energy from the sun to fuel their life processe...
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Answered by Daniel M. • Biology tutor
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When should i use 'desu' as opposed to 'masu' to end a sentence in Japanese?

'Desu' and 'Masu' are both terms which make a sentence sound more formal in Japanese. They both perform the same function, but cant be used interchangeably. The rule to remember is that 'Desu' is used after ...
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Answered by Yuka Q. • Japanese tutor
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1 a) Please label the following diagram of the respiratory system. b) Describe the role of the diaphragm in the mechanism of breathing.

1 a) Trachea, bronchi, bronchioles, alveoli,diaphragm b) It is a muscle important in the function of respiration On inhalation, the diaphragm CONTRACTS and FLATTENS. Air is drawn INTO the lungs (INCREASE in ...
LB
Answered by Lauraa B. • Biology tutor
6037 Views

Describe how the hormone glucagon helps a healthy individual to maintain their blood glucose concentration correctly.

When an individual's blood glucose concentration rises above the normal range (approximately 70-100mmol/100cm^3), alpha cells in the Islets of Langerhans in the pancreas detect this change and release glucag...
TD
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