Dr Crate Was Excited to Collaborate with Dr

Dr. Crate was excited to collaborate with Dr. Fedorov of the Melnikov Permafrost Institute in Yakutsk, in part because:

A) He was interested in doing interdisciplinary work.
B) Permafrost is important for understanding global climate change.
C) He was a key backer of the film, The Anthropologist.
D) Local knowledge reinforces scientific knowledge of climate change.