In order to keep a crew alive on a journey to Mars, a spaceship would need to provide its crew with food, water, oxygen, facilities for rest, a method of waste disposal, room or equipment for exercise, and any need medications.
WHo is JAck. PLEASE BE MORE PERCISE
Answer:
Sigma is the 18th letter of the Greek alphabet and is equivalent to our letter 'S'. In mathematics, the upper case sigma is used for the summation notation. The lower case sigma stands for standard deviation. If you notice, the two formulas that use these two symbols both start with the letter 's'.
These words are examples of spatial signal words. This means that they indicate location or direction. A way to distinguish them from other signal words is to think that they answer to the question "where?".
<u>Other spatial signal words could be:</u>
above, in front of, aroound, between, on, in, out, far, etc.
Well if all you need is a website to go to, then here is a great source.
http://www.aacc.nche.edu/Resources/aaccprograms/diversity/brownvboard/Pages/supremecourt.aspx
