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Describe how living things are involved in the constant cycling of carbon.

plants uses carbon dioxide during photosynthesis. plants use carbon to make carbohydrates and cellulose. animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide int...
VA
Answered by Vedika A. • Biology tutor
30346 Views

Identify one significant economic and one significant cultural impact of globalisation. Examine how these impacts may be seen as both positive and negative.

This is a typical IB Geography Paper 2 Higher Level question. First, I would suggest defining globalisation. Globalisation is the growing interdependence and interconnectedness between countries, especially ...
AP
Answered by Anne P. • Geography tutor
6416 Views

Show how '2sin(x)+sec(x+ π/6)=0' can be expressed as √3sin(x)cos(x)+cos^2(x)=0.

To do this question we must first be aware of a few trigonometric identities. 1. sec(x) = 1/cos(x). 2. cos(A + B) = cos(A)cos(B) - sin(A)sin(B). (double angle formula) 3 . sin^2(x) = 1 - cos^2(x) Before divi...
RP
Answered by Ruadhan P. • Maths tutor
10486 Views

How much work experience do I need to have before applying medical school?

This is a really tricky question to answer and of course "as much as possible" is a common but frustrating answer! What's reassuring and important to understand is that many universities aren't jud...
HH
3651 Views

What is Coulomb's law

These are usually 2 or 3 mark questions and should be a really easy source of marks in any paper. The marks will be awarded for stating the 2 key point of the law and in some cases for writing out the equati...
RP
Answered by Ruadhan P. • Physics tutor
21767 Views