I think its D im not sure hope this helped
Environmental impact statements outline the : b. Environmental effects of proposed government agency actions
Basically, Environmental impact Statements (EIS) is a detailed guidebook that must be followed by the Government in case they want to create a policy that will aaffect the environental condition
hope this helps
It seems you need to move the decimal three times over, then you round the number. So the answer would be 5.5 x 10^3.