Charina says that when waves interact with an object,
they will interfere with the object, and that when waves
interact with other waves, they will reflect off each other.
Do you agree with her? Why or why not?

I disagree with her, because interference happens when waves interact with other waves. Reflection happens when waves interact with an object and bounce off it.

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