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.
There are different kinds of glacier and they change over time. Eighty five per cent of the world's ice is found in the giant Antarctic ice sheet. This ice sheet would cause the earth's oceans to rise by seven metres if it melted. Ice caps cover less area than ice sheets. The Himalayan ice cap is home to Mount Everest, the world's highest mountain.