Mars’ average temperature is -55o C, while Earth’s is 17oC. Mars’ atmosphere is 95.3% carbon dioxide. Mars’ soil contains no humus and is mostly Sulphur. One day on Mars is approximately 24 hours and 37 minutes. explain whether or not you think life could be supported on Mars. Be sure to use the terms, air, water, soil, and sunlight, in your explanation. .

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?