Question

The most common types of fossils are
a. mould
b. casts
c. actual remains
d. models

Answer 1

The four types of fossils are:

mold fossils (a fossilized impression made in the substrate - a negative image of the organism)cast fossils (formed when a mold is filled in)trace fossils = ichnofossils (fossilized nests, gastroliths, burrows, footprints, etc.)

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Answer 2

Answer is option "D"

Explanation:

• The preserved remains from animals and plants that lived in past in nature are named fossil. To be considered as a fossil remains ought to be every 1000 years of age.
• Fossils are the remaining parts of ancient life that are saved by normal procedures, from astounding skeletons to small shells. tracks and trails additionally can get fossilized, similar to dinosaur impressions or worm tunnels.
• Option d "actual remains" is the right answer