Today, deism is considered to exist in the classical and modern forms, where the classical view takes what is called a cold approach by asserting the non-intervention of deity in the natural behavior of the created universe, while the modern deist formulation can be either warm (citing an involved deity) or cold (citing an uninvolved deity).
Herbicides are substances that are used for killing all types of plants, especially noxious weeds. Herbicides can be put into eight different groups including one group that is an ungrouped or, catch-all catagory.
Pesticides are chemicals used to kill or control pests, usually insects. While pesticides are rigorously tested to show that they are safe in controlled use, most have some undesirable effects when overused or inappropriately used. There is a movement to reduce the use of pesticides and improve the environment.