Question

Undecayed plants and animals of long ago are:
O cast fossils
O permafrost fossils
original-remains fossils​

Answer 1

Answer:

permafrost fossils I believe

Answer 2

Answer:

that would be original remain fossils :)

Explanation:if the plant is undecayed, that means it almost all intact, and almost nothing would have changed! If I am wrong go ahead and correct me! Have a great day/night :D