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Explain with a diagram how a sugar tax affects the market equilibrium for A. coca cola, and for B. bottled water

A tax upon sugar will increase the costs for Coca Cola suppliers, therefore shifting the supply curve up and to the left. This will lead to a rise in the price of sugar from P1 to P2. Due to the increased pr...
EH
Answered by Eloise H. • Economics tutor
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How are blood vessels fit for purpose?

Arteries - carry blood at high pressure away from the heart. Their narrow lumen and thick, muscular wall allows them to do this effectively. The elastic, muscular wall allows for expansion and relaxation of ...
AT
Answered by Anna T. • Biology tutor
4419 Views

What's the difference between inertial and gravitational mass?

Like charges repel and different charges attract, i.e. charges feel an electromagnetic (EM) force. Electrons (fundamental particles that 'orbit' around the nuclei of atoms) carry a negative charge of -1.6 10...
YB
Answered by Yassine B. • Physics tutor
2492 Views

Solve the simultaneous equations: 3x+4y=19, x-6y= -23.

In order to solve these simultaneous equations we first want to eliminate one of the variables (x or y) and find a solution to the variable remaining (y or x) and then use this solution to find the second va...
NL
Answered by Nathalie L. • Maths tutor
4370 Views

Explain how enzymes work.

Worth four marks Enzymes are biological catalysts which are used in reactions. A reaction will typically involve an enzyme and a substrate. Enzymes are complementary to the substrate they combine to form an ...
MK
Answered by Moyo K. • Biology tutor
3962 Views