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.
A glacier that fills a valley is called a valley glacier, or alternatively an alpine glacier or mountain glacier. A large body of glacial ice astride a mountain, mountain range, or volcano is termed an ice cap or ice field. Ice caps have an area less than 50,000 km 2 (19,000 sq mi) by definition.