For example: 1  If your health insurance premiums are paid entirely by your employer or the government, you cannot deduct the cost. 2  If you have health insurance through your employer and your share of the premium is deducted from your paycheck pre-tax, you cannot deduct the cost because the premiums were tax-free already.
fossil (latin for  obtained by digging ) is the preserved remains or traces of organisms (plants, animals, etc) that lived in the distant past.ossils are most often preserved within sediments that were deposited in water, such as wetlands, river basins, or the ocean. Permineralization or Petrification-After an organism is buried, minerals carried by water such as silica, calcite or pyrite replace the organic material in the fossil.
fossils are preserved animals or plants. but index fossils are fossils have wide distribution,many of them,evolves rapidly, and very easy to recognize. Ammonites are index fossils. The fossils were made only in a certain short time period.