Which of the following best describes a code of ethics

Which function key is used to enable the spelling & grammar function in a word processing program such as microsoft word?

There is a simple pattern for determining if a binary number is odd. what is it and why does this pattern occur? how many bits would you need if you wanted to have the ability to count up to 1000? how high could you count in binary if you used all 10 of your fingers as bits? (finger up means 1, finger down means 0)

What characteristic of long period comets suggest they come directly from the oort cloud?