The calcium-rich remains of protists are now found
A)in sea floor sediments.
B)in limestone rock formations.
C)in the white cliffs of Dover, England.
D)in the Egyptian pyramids.
E)in all of these places.

Question

Quizplus · Accepted Answer

The calcium-rich remains of protists are found in sea floor sediments, limestone rock formations, and the white cliffs of Dover, England, and are also believed to have been used in the construction of the Egyptian pyramids.

The Calcium-Rich Remains of Protists Are Now Found