If women are malnourished, anemic and suffer from other health problem, then the maternal mortality and infant mortality will be high and this will ultimately affect the health of children.
Your waste management system can be energy efficient through the reuse of the different energy sources that are present in the whole system. If these resources are then efficiently being used up in the whole waste management system, we can safely say that we have an energy efficient system.
By adding another mile, she is both increasing the intensity (because she is running an extra mile), while also increasing her workout time (considering the fact that adding distance also adds time).
So answer should be "A"
