Which of the following statements about asbestos is true? a. As a naturally occurring fiber, asbestos is part of a healthy diet. b. While asbestos workers are at high risk of asbestos- related diseases, other kinds of exposure (such as in homes) are inconsequential. O C. Asbestos exposure essentially ended with the advent of regulations in the 1970s. O d. Asbestos-related diseases, including cancers and fibrotic lung disease, can appear years after exposure has ende​