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How do you assess the validity of a historical source?

A good acronym to remember when assessing sources is DAMIT. D = Date: When was the source produced? Did any major historical events take place around this date? Is the source typical of the time? How long af...
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Answered by Georgia F. • History tutor
11219 Views

What should I know about writing non-fiction?

When writing non-fiction, there are three core concepts that must be remembered at all times. The first is that you must remember the conventions of the specific form of non-fiction you are using; secondly, ...
BM
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What is the infinitive form of a verb?

The infinitive is the unconjugated form of the verb. So, this is what we look for in the dictionary when we're looking for a verb. Infinitives end with either -ir, -er, or -ar. Some verbs are very regular wh...
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Answered by Robin F. • Spanish tutor
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Magnesium reacts with hydrochloric acid to form a salt. What volume of 0.2dm(-3) HCL is required to react with 4g of Magnesium? Give answer in cm(3).

First draw out the equation. Mg + HCL = MgCl 2 + H 2 Now balance this equation Mg + 2HCl = MgCl 2 + H 2 Next we need to work out the moles of Mg. We know that we have 4g and Mg has a molar mass of 24. Mass/m...
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Answered by Katie C. • Chemistry tutor
5995 Views

What are three factors that can affect the rate of photosynthesis?

Carbon dioxide levels, light and temperature
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Answered by Maria E. • Biology tutor
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