Which of these is NOT a current success of biotechnology? A. development of crops that are resistant to pests B. orensic techniques that use DNA for identification C. development of farm machinery that more efficiently harvests crops D. advances in the treatment of diseases, such as juvenile diabetes

Explanation:

1. Biotechnology is a technology which involves the use of living organisms. It  is used in  food science. agriculture, medicine etc.  

2. In biotechnology, living organisms are used for  making useful chemicals and many other products and also it is use-full in other industrial field.

3. Current success of biotechnology  are in:

i) In advances of treatment of diseases, like in juvenile diabetes.

ii) development of such type of crops which are resistant to pests.

iii) forensic techniques that use DNA for identification of criminals.

Explanation:

     C. development of farm machinery that more efficiently harvests crops

answer; i believe the answer is hydraulic action;