in kazakhstan,________led to radiation pollution.
d.weapons transport systems
this is my answer
I don't know. What are your other choices?
a. nuclear weapons testing
b. biological weapons
c. uraniun mines
I disagree.
http://www.nationsencyclopedia.com/Asia-and-Oceania/Kazakhstan-ENVIRONMENT.html#b
but all they talk about is weapons they don't say what kind.
unless its c. but they don't say nothing about that either.