Question

all of the following are natural resources or byproducts produced in significant amounts in oklahoma except
a. iodine
b. helium
c. limestone
d. copper
please select the best answer from the choices provided

Explanation:

Oklahoma is known for significant production of helium, limestone, and has some copper - related activities. However, iodine is not a natural resource or by - product produced in significant amounts in Oklahoma.

Answer:

A. iodine