science
Grade-4-
Easy
Question
____________ are opposite of a mold fossil.
- Petrified fossil
- Trace fossil
- Cast fossil
- Preserved fossil
Hint:
A cast fossil is opposite to the mold fossil.
The correct answer is: Cast fossil
- The relationship between the mold and the cast can be explained as a three-dimensional trace settled over sediment.
- Mold is a mineralized trace of an organism on sediment.
- When the settled mold is covered with sediment, it recreated the shape of the settled organism. This is called a cast.
- Thus the cast and mold are opposite to each other.
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