Options A and D are true. The other two options are absurd and not even based on fact while A & D are true concerning this part of Africa at that time.
Answer:
I dont know for sure, but I would say B.
Explanation:
I say B, because across continents there have been numerous fossils found with different ages. You can even look up case studies, but the answer might not be B, its just a guess.
Siberia is extremely chilly in comparison with substantial land Russia, it has outstanding organic materials and oil. The southern coast of Siberia (South East) have excellent sort of wood for paper. For this reason most valuable to Russia and the republics because of expansion of industries and trade that has led to greater exploitation of the natural resources
hope this helps
The answer is true it can be traced to one particular reason.