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explain the circulation of blood pumped by the heart

Your heart pumps blood from its left side, through the aorta (the main artery leaving the heart) and into the arteries. The blood travels through your arteries, which divide off into smaller and smaller bran...
VA
Answered by Vedika A. • Biology tutor
8556 Views

How does Bronte present Jane as a strong female character in this extract?

In this extract Jane demonstrates her intellectual strength through the eloquence of her passionate speech. Bronte uses a series of rhetorical questions to express Jane’s frustrations towards Rochester, repe...
EB
Answered by Emily B. • English tutor
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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
30638 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
6528 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
10709 Views