The environmental costs of moving contaminating industries from developed countries to developing countries include: i. less restrictive environmental laws ii. dense human populations iii. additional pollution in the developing country a. i only b. ii only c. i and iii only d. ii and iii only e. i, ii, and iii

Option E,  I, II, and III

Explanation:

Any economic activity that deteriorates the natural  assets , thereby  adds to the environmental cost.

Developing countries usually have dense population but they insufficient funds for development. Therefore they allow the developed nations to shift their contaminating industries at the verge of providing employment  to their people and doing infrastructural development.

but overall this shift in industries is done by exploiting the following -

a) environmental laws of the developing nations

b) Its high density population physical well being

c) Addition of pollution in the developing nation.

Hence, option E is correct

not sure if this what   you'r looking for would be percent composition