Which technology are environmental scientists using to photograph poaching activities in africa? a. unmanned aerial systems (uas) b. gel electrophoresis c. environmental dna (edna) surveillance d. acoustics

Option A. Unmanned aerial systems (UAS)

Explanation:

Unmanned aerial systems are cheap method of monitoring an area with radius of thousands of acres/km.  

These systems work by using infrared light which are able to capture images and videos in night also.  

Due to this, UAS  is now being used an essential equipment in anti-poaching missions where it assists in doing Bird’s nest surveys, tracking activities of animals, automated species identification etc.  

 Being cheaper makes it financially suitable for African countries.

Thus, option A is correct.

c is the answer : )               your welcome

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