asked 210k views
5 votes
Because animal migration has been observed by humans throughout history, we still do not fully understand how animals are able to accurately and consistently navigate great distances.

A. because
B. although
C. however
D. since
E. I don't know.

1 Answer

1 vote

Answer:

although

Step-by-step explanation:

answered
User Adam Eberlin
by
7.6k points
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