A carbon dioxide molecule has one carbon atom and two oxygen atoms. The carbon means 1 carbon. The Di-oxide means 2 oxygen. Di (as in dos which is 2 in spanish) means 2. Oxideâ¦ means oxygen. This circuit is used in most electronic digital computers ever built & was invented in 1918 (patent GB148582).
1 You can still make your annual contribution if you also convert money from a tax-deductible account (like a traditional IRA) to a Roth in the same year. 2  You can contribute to a Roth even if you participate in a retirement plan through your employer.ne quirk in the IRA laws is that you have 15 months to make a contribution for the current tax year. In 2015, for instance, you can make a contribution any time from January 1, 2015 to April 15, 2016 (the tax filing deadline).
Roth IRA Income Limits. You may contribute the full amount to your Roth IRA if your 2015 modified adjusted gross income is below $116,000 for singles ($183,000 for married). You may make partial contributions until your income hits $131,000 ($193,000 for married).If your income is above that, you cannot contribute to a Roth IRA.ou can make your 2015 contributions as early as January 1, 2015 for the whole year. If you contribute 2015 Roth IRA money between January 1 and April 15, be sure to designate calendar year 2015 if you have already contributed the maximum for 2014.