Question:
Goal: How do you scrape coralline algae off the glass of your reef tank?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
The easiest way to scrape stubborn coralline off your glass is with a credit card and a Mr. Clean Magic Eraser. This also minimizes the risk of scratching the glass or acrylic.

Question:
Goal: To clean a touch computer screen without damaging it,

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
put water on a soft rag and wipe, then do it again with a paper towel.

Question:
Goal: where is the constellaiton Orion located

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Central in the southern sky is the constellation Orion the Hunter. Along with the Big Dipper, this is probably the most easily recognized constellation, and the starting place for a stargazing adventure. Orion itself sits astride the celestial equator, half way between north and south celestial poles