There are many techniques that can contribute to the memorability of a speech, for example stressing the main points and explaining them well, linking the ideas in a logical way and providing a strong conclusion.
One technique that does not support memorability is shouting loudly key words: they might remember you but not the content of the speech.
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Average temp in November - Average temp in January = X
where X = the difference between average temp in November and average temp in January
-1.7 - -13.4 = 11.7
the average temperature in November is 11.7 degrees warmer than average temperature in January
The best definition for the underlined word based on the following sentence, would be "A) Put off"
Um. Sorry not to be rude but please be a little more specific.. I don't know what's going on here haha
As far as I can see, there is only one word in the paragraph which is misspelled, and that would be desidne.
I'm assuming you wanted to write 'design,' because to design a building means to create a sketch of what it would look like when it is built.