1.

There is some concern about nanoparticles of certain chemical elements used by industry in the manufacture of various products. NS? 1 They can accumulate in the environment and contaminate water and soil 2. They can enter food chains.3. They can release the production of free radicals. Select the correct answer using the code given below

A. केवल 1 और 3
B. 1, 2 और 3
C. केवल 3
D. केवल 1 और 2
Answer» C. केवल 3


Discussion

No Comment Found