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What is a sustainable city?

Sustainability is the ability to meet the needs of the present without impacting of the needs of the future. A sustainable city should consider three key areas; economics, social, and environment. The city s...
RI
Answered by Rebecca I. • Geography tutor
4734 Views

Using the kinetic molecular theory,explain why air pressure inside a syringe increases if the volume decreases from 15.0 cm

In order to tackle this question a general understanding of the the Kinetic Molecular Theory is required. The theory is based on assumptions of the behaviour of Ideal gases which are: Ideal gases are made up...
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Answered by Emma S. • Physics tutor
22778 Views

What to look for in a source question

In an English Language GCSE paper, it is important that students keep to a strict time schedule so that short and consise points can be made. In source questions, there are a few marks available, but they ca...
AM
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In the food web shown: Heather -> Rabbit -> Fox, only a small percentage of the Sun’s energy captured by the heather is eventually incorporated into the body tissues of the fox. Explain what happens to the rest of the energy captured by the heather.

To get all FIVE marks for this question, there needs to be FIVE clear , balanced and detailed explanations. - Respiration releases energy. Some energy is lost in animals through waste materials. Some energy ...
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Answered by Chaitya D. • Biology tutor
9660 Views

What is a mole and why do we use it? (chemistry)

The mole is a concept that you'll see everywhere in chemistry, from GCSE through A level. Although this is the case, it can be very easy to lose sight of what it actually is and why we use it, as your teache...
CB
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