The isotopes of hydrogen are protium, deuterium, and tritium. They all contain different numbers of . Protons

Neutrons

Electrons

Protons and neutrons

Explanation:

protons

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

i think it is true since you can test the answer and can use observations to complete it.