I think b would fit more as the mitochondria, d would be the endoplasmic reticulum, and e would be lysosomes
If you use chemicals to kill insects, you could risk getting the chemicals in unwanted areas. This could kill plants, animals, and other living things. You could also contaminate water if the chemicals get rinsed/drained into a water source.
I'm assuming that the choices are the ways urban landfills use to increase decay rate for most trash? If so, then the answer would be '<span>increase the number of aerobic bacteria'. Increasing the number of aerobic bacteria increase the decay rate for most trash.</span>
Do you have any options for this question? You could just research the London docks to help find your answer!