Self-fulfilling prophecies occur when strong expectations make the expected outcome more likely than it otherwise would have.

true or false?

True

Explanation:

Once there is a strong expectation towards a desire, the mind automatically becomes conscious of such desire. It subconsciously strife to meet that strong expectation, making obstacles seem small. The mind doesn't stop till the expectations makes the expected outcomes. For example you wake up in the morning and start to crave coffee. Everything that happens that day will revolve around u getting a cup of coffee. Since my mind already craves for coffee, the slightest opportunity you have, you would use it to get a cup of coffee...

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

elastic potential energy