By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At standardized conditions for temperature and pressure, two atoms of the element bind to form dioxygen, a diatomic gas that is colorless, odorless, and tasteless, with the formula O 2.y mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At standardized conditions for temperature and pressure, two atoms of the element bind to form dioxygen, a diatomic gas that is colorless, odorless, and tasteless, with the formula O 2.
American Opportunity Tax Credit. Students may claim this credit if you are over age 24 as long as you meet the other requirements, e.g. are not claimed as a dependent on someone else return, are attending a degree program half-time or more, and have not already completed four years of college.
For the American opportunity tax credit, an eligible student is a student who: (1) is enrolled in a program leading toward a degree, certificate or other recognized post-secondary educational credential; (2) has not completed the first four years of post-secondary education as of the beginning of the taxable year; (3) for at least one academic period is carrying at least Â½ of the normal full-time work load for the course of study the student is pursuing; and (4) has not been ...