?

Which of the following is (are) true under the Federal Insecticide,
Fungicide, and Rodenticide Act?
I. Herbicides and pesticides must be certified and can be used
only for applications that are approved.
II. Herbicides and pesticides must be registered under the Act
before companies can sell them.
III. Pesticides, when used on food crops, can only be used in
quantities that are limited under the Act.