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Can you explain the difference between distance and displacement

Distance is a scalar which means it only has a length- it is the length of distance travelled along a pathDisplacement is a vector which means it has a direction and a length and is the total change in posit...
EH
Answered by Emma H. • Physics tutor
3659 Views

Describe the way solutes are transported in a plant's vascular system

Solutes (e.g sucrose) are transported in the phloem from source to sink. Sucrose is made at the leaves in the plant, this is actively transported into the phloem via companion cells. T his then lowers the wa...
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Answered by Lily V. • Biology tutor
3149 Views

How would you simplify this: ((4x+1)/4)+((1-3x)/3)

You must manipulate the fractions so that they both have the same denominator. To do this, multiply the first fraction by 3 and the second by 4 so that they both have the denominator 12. The problem can then...
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Answered by Isobel H. • Maths tutor
2961 Views

How do I approach source explanation questions?

Source analysis is a key skill you will need to get to grips with for your GCSE exams. Before I break down how you should approach your source analysis in a step by step method, I want to emphasise that you ...
HS
Answered by Hollie S. • History tutor
2618 Views

Could you explain how glucose is co-transported across the wall of the small intestine with sodium, please?

The purpose of glucose and sodium being transported across the epithelial cells of the small intestine is in order to move glucose across the cell against its concentration gradient. Because these two substa...
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Answered by Juliette C. • Biology tutor
4037 Views