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What is photosynthesis? Where does it occur? What are the reactants and products of the process?

Photosynthesis is the process that allows plant cells to convert light energy (from the sun rays) into chemical energy. This energy is biologically useable to the plant, and essential to it's survival. The r...
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Answered by Hannah D. • Biology tutor
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Draw the line X+Y=3 on the graph from x = -3 to x = 3

The easiest way is probably to write a table with all of the X and Y values. Write out all of the x values and substitute them into the formula to see what value of Y you need to get the value of 3.X Y-3 6-2...
MN
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The difference between two positive numbers is 50. The second number is 50 % smaller than the first one. What are the two numbers?

Let's call the numbers we are looking for a and b. From the question: a-b = 50 and b is 50% of a, which means that b = (50/100) a=0.5 a. Substituting this form of b in the first equation, we obtain: a-0.5 a=...
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Answered by Andreea C. • Maths tutor
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Compare and contrast eukaryotic and prokaryotic cells.

Tip: when answering ‘compare and contrast’ questions, use keywords such as ‘whereas’, ‘in contrast to’, ‘similarly’ and ‘comparatively’.Eukaryotic cells are plant and animals cells, whereas prokaryotic cells...
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Answered by Ellie P. • Biology tutor
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Explain the term ‘two-party system’

The two-party system is a term used in British politics particularly to describe the apparatus of the political system in which two parties, the Labour and Conservative parties, hold the vast majority of the...
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