Question

what does the right to know law require from manufacturers, importers, and distributors of chemicals?
labels
safety data sheets
labels and safety data sheets
weekly briefings

Explanation:

The "Right to Know" Law mandates that manufacturers, importers, and distributors of chemicals provide both labels (to quickly identify hazards) and Safety Data Sheets (which offer detailed information on chemical properties, handling, and emergency procedures). Weekly briefings are not a standard requirement under this law.

Answer:

Labels and Safety Data Sheets