Question

3. What is the percent composition of fern spore 1 in the sediment of the Early Tertiary? You may write a

range.l

Answer 1

grains and fern spores to form a
picture of the living landscape before and after
the K-T event.
... Cretaceous period, Tertiary
period, angiosperm, gymnosperm, pollen,
spores, extinction, fossil, sediment,