An object weighs 0.688 kilograms. When placed into a container of water, the level of water goes from 19.0 ml to 23.9 ml. What is the density of the object in g/mL?

i believe the answer is a.

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

it is the most commonly accepted one