Why is the following equation invalid? Al + 2O2 → Al2O3
A. An atom of aluminum (Al) is created in the reaction.
B. An atom of oxygen (O) is destroyed in the reaction.
C. The equation violates the Law of Conservation of Mass.
D. All of the above.

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

65uuyhjghj8ykitdyidii