Explain what causes spring and neap tides, and identify the phases of the moon when these tides occur. Be sure to mention what happens to earth’s crust, ocean water, and the position of the sun, earth , and the moon.

At work claire has a deadline that is rapidly approaching. as she works, she finds that she is doing more work in a shorter amount of time than usual. she thinks mor quickly, and her senses and memory are sharper. what is responsible for claire working more effectively?