Because animal migration has been observed by humans throughout history, we still do not fully understand how animals are able t
o accurately and consistently navigate great distances.
A. because
B. although
C. however
D. since
E. I don't know.
1 answer:
Answer:
although
Explanation:
You might be interested in
"March 15, 2001 was the day this green toad laid more than 10,000 eggs."
I don’t understand the question what fo you mean
The answer on Odyssey ware is D
