The tax is not imposed on investment income such as interest and dividends. For 2014, the employee's share of the Social Security portion of the FICA tax is 6.2% of gross compensation up to a limit of $117,000 of gross compensation (resulting in a maximum Social Security tax of $7,254).he employer is also liable for 6.2% Social Security and 1.45% Medicare taxes, making the total Social Security tax 12.4% of wages and the total Medicare tax 2.9%.
The ice also flows down valleys extending from the icefield, pulled by gravity just as river water is, but much more slowly, moving downhill between 15 m and 125 m a year. In the. Athabasca Glacier, a snowflake requires 150â200 years to go. from fluttering out of the sky onto the icefield to melting out at the.
Antarctica is losing ice mass while gaining ice extent. This is a confusing point to some. There are a few keys that can help us understand what this means in the context of global warming. Land ice is different than sea ice.ntarctica is melting, not growing. In fact the ice mass is dropping at an accelerating rate due to multiple factors including accelerated glacial ice calving rates. The loss of sea based ice allows the Antarctic ice to move faster towards the ocean resulting in an increased rate of loss of the Antarctic ice.