Maria and her classmates generated some questions after a field trip to a copper mine in Arizona. Which ones could be answered through scientific investigation? Check all that apply.

Is mining for copper bad for the environment?
How much copper is extracted from the mine each day?
Is copper the best metal for conducting electricity?
Do those who work at the mine enjoy their jobs?
How much does it cost to operate the dump trucks each year?

Maria and her classmates generated some questions after a field trip to a copper mine in Arizona. Which ones could be answered through scientific investigation?

Is copper the best metal for conducting electricity

Is mining for copper bad for the environment

How much copper is extracted from the mine each day

The above mentioned could be scientific proven as it involves all steps through highlighting aims and objectives, methodology, precautions among others

Explanation:

Scientific investigations entails different ways to be achieved, every scientific investigations must be titled, has a methodology, aims and objective, hypothesis, review of other related literature, conclusion, references before it could be validated after it has been well published.