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How do you go about rearranging equations where the required subject appears on both sides? Such as making x the subject of 7x + a = 3x + b.

To rearrange any equation, you must always do the same to both sides. If you take a number from one side, you must also take it from the other. If you divide a side by one number you must divide the other by...
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Answered by Rachael T. • Maths tutor
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Describe how plants react to the environmental factor of Light

One environmental factor which has an effect on a plant is light. The stems of a plant grow towards the light, and roots grow away from the light. We call this phototropism (Photo = Light and Tropism = movem...
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Answered by Ellie A. • Biology tutor
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What is osmosis and how does it work?

Osmosis is basically the movement of water across a semi-permeable barrier (i.e. a barrier that lets some molecules through but not others - like a cell membrane). Usually, the water muct move down something...
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Answered by Emma S. • Science tutor
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What are the different types of plate margin?

There are three different types of plate margins you need to know about. Destructive (convergent) plate margin - this occurs where oceanic and continental plates move together. The denser oceanic plate subdu...
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Answered by Amy W. • Geography tutor
18365 Views

What are the main similarities and differences in the structure of plant and animal cells?

Animal cells have the following organelles: A nucleus which controls the activities of the cell and stores the cell DNA; cytoplasm where most of the cell's chemical reactions take place; a cell membrane whic...
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Answered by Amy W. • Biology tutor
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