If u want to learn how to perform an action, which feature of excel should u use?

Use help.

Explanation: Click on the "Help" Tab and then click on the left hand side icon which should say "Help", it has a question mark sign (?). After you click it, on the right hand side, a window should pop up, then type the search criteria.

answers

a. nitrogen (n)

d. oxygen (o)

hope it

you can not change you age soon as you signed up. the only way is too delete your account and use another account to sign up and put your correct age.