The above-the-line tuition deduction allows married couples with incomes of $130,000 or less ($65,000 for individuals) to deduct up to $4,000 in qualifying expenses, and those couples earning $130,000 to $160,000 ($65,000 to $80,000 for single taxpayers) to deduct up to $2,000.
Silexan is a new, German-developed lavender oil supplement formula that has proved very effective in the treatment of anxiety disorders. It has been clinically proven to have a good anxiolytic effect and is useful for those suffering from anxiety-related disturbed sleep.
The chemical compound silicon dioxide, also known as silica or silox (from the Latin silex), is the oxide of silicon, chemical formula SiO2, and has been known for its hardn â¦ ess since the 9th century.Silica is most commonly found in nature as sand or quartz.It is a principal component of most types of glass and substances such as concrete.ilica is most commonly found in nature as sand or quartz. It is a principal component of most types of glass and substances such as concrete.