Answer:
Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.
Explanation:
Hopes this helps!
Tree Sap or even amber - you didn't give ABCD so I don't know any specific answer.
Porifera
Hope this helps!:)
Answer:
none of the following are correct.
Explanation:
the correct answer is 12x^3 - 42x^2 + 18x + 55