The two correct answers regarding the Flint water crisis are:
- General Motors stopped using Flint water due to corrosion of their machinery.
- Dozens of people contracted a form of a magnolia known as Legionnaires' disease.
The Flint water crisis led to significant health and infrastructure issues, including the corrosion of pipes and machinery, as well as instances of Legionnaires' disease due to contaminated water. The other options regarding state officials not alerting residents and skyrocketing cancer rates are not accurate or relevant to the immediate context of the crisis as it became known.