Question 37 of 53Environment and Ecology
There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They can accumulate in the environment and contaminate water and soil. 2. They can enter the food chains. 3. They can trigger the production of free radicals.
A1 and 2 only
B3 only
C1 and 3 only
D1, 2 and 3
Correct Answer
The correct answer is hidden
Explanation
30 words hidden ... increases reactivity and allows them to cross biological barriers more easily than many bulk materials. This is why ... 34 words hidden