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Use grammatically complete sentences, short paragraphs, and your own words to discuss and completely answer the following question.  Remember, your answer is based on the reading from the textbook. Why are some elements present in high concentrations in seawater, whereas others are present in much lower concentrations?

Correct posture at the keyboard enables you to type with greater speed and accuracy and with less fatigue.

The colon is the shift of the semicolon key.

When entering information using the keyboard, let your forearms and wrists rest on the desk for locational security.

Which letter on the graph shows where the voltage must reach for an action potential to fire?

Functional obsolescence refers to a building’s loss in value due to:

List two specific examples of questions that cannot legally be asked in an employment interview. 

A tennis player makes a successful first serve 51% of the time. If she serves 9 times, what is the probability that she gets exactly 3 successful first serves in? Assume that each serve is independent of the others.

BONUS: Explain a concept you feel you mastered for this exam, but you were not asked about. You need to actually explain your knowledge, don’t just say you weren’t asked about X. Example answer: I know that water molecules are locked in a lattice which causes ice to float

Connect each of the following definitions with their matching terms: