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How do I approach an unseen extract?

When it comes to unseen extracts it is important to consider a wide range of elements that contribute to the overall message being conveyed such as, the structure, the narrative perspective, the setting, the...
MW
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Why do metals have high melting points?

Mettalic bonding involves a giant lattice of ions surrounded by a sea of electrons. A lot of energy is needed to overcome the strong bonds between these positive ions and negative electrons.
MD
Answered by Mo D. • Chemistry tutor
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Assess whether pressure groups are good for democracy.

Given that it holds substantial expertise, one consideration as to why pressure groups enhance democracy derives from the proposal of minority representation . Pressure groups are essential to improving the ...
BS
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What is the difference between DNA and RNA?

-DNA (Deoxyribose nucleic acid) is a structure made up of a sugar-phosphate backbones linked to one of four chemical bases (adenine, thymine, guanine or cytosine) DNA has a double helix structure that coils ...
BM
Answered by Benjamin M. • Biology tutor
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Explain how the heart muscle and the heart valves maintain a one-way flow of blood from the left atrium to the aorta

The left atrium has a higher pressure than the left ventricle due to the atrium filling with blood and contractingThis causes the atrioventricular valves (the mitral/bicuspid valve in the left side of the he...
Answered by • Biology tutor
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