Can someone explain this in terms of meaning and indicate what is appositive here.

96. Floating in the waters of the equatorial Pacific, an
array of buoys collects and transmits data on longterm
interactions between the ocean and the
atmosphere, interactions that affect global climate.

(A) atmosphere, interactions that affect
(B) atmosphere, with interactions affecting
(C) atmosphere that affects
(D) atmosphere that is affecting
(E) atmosphere as affects