Commitment Bonus â This has to do with the total amount of classes taught in the month long pay period. If you teach less than 30 classes a month there is no bonus. If you teach 30-45 classes in a pay period, you receive a $.50 per class bonus.
There are four primary types of fossils: mold fossils, cast fossils, trace fossils and true form fossils. Cast fossils are formed when the imprints created by fossils, called mold fossils, are filled in by minerals over time. Definition of Cast Fossils. A cast fossil is a type of fossil indicator.
What is a fossil? A mold fossil is the space in a rock that has the actual shape of the remains of a living thing. The left ammonite is the mold and the right half of the ammonite is the cast fossil. Dinosaur footprints can also be classified as mold fossils.hat is a fossil? A mold fossil is the space in a rock that has the actual shape of the remains of a living thing. The left ammonite is the mold and the right half of the ammonite is the cast fossil. Dinosaur footprints can also be classified as mold fossils.