context: How to introduce evidence in an essay
Set up the evidence in the first sentence of the paragraph.
The first sentence in the paragraph or section of your essay is called the topic sentence. It should let the reader know what is going to be discussed in the paragraph or section.
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next sentence for the context: If the paragraph is one of many in the body of your essay, the topic sentence should also link to the preceding section so the transition to a new section is smooth. You can use 1-2 sentences to set up the evidence, if needed, but usually more concise you are, the better.

context: How to study the chemistry and physiological roles of calcium ions in the body
Understand the difference between the metallic and ionic forms of calcium.
The element calcium follows the trend in properties that is seen with magnesium, sodium and potassium elements. Namely, it is toxic to mammals in its metallic form, while it is benign in its ionic form.
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next sentence for the context: Actually, calcium ions are not only benign but also essential for the metabolism of the body. Study the use of calcium by the body.

context: How to get him to make a move
Plan " chance " meetings.
Think about what he likes and dislikes and where he spends his time. Without going overboard, try to arrange a meeting that seems like a random coincidence.
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next sentence for the context: Show interest in the things that he's interested in, and he may take notice. For example, if you know he likes to rock climb, plan a trip to the local climbing gym at a time he's likely to be there.

context: How to alphabetize in microsoft word
Open the file that you want to sort.
You can also copy and paste the list of words that you want to sort into a document. In order to alphabetize the words, they need to be formatted as a list, with each entry on its own line.
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next sentence for the context:
Select the text that you want to sort. If your list is the only part of your document, you don't need to highlight anything.