Answer: All of the options are correct.
Step-by-step explanation:
Futures refer to a Derivative Instrument contract that mandates a person to buy an asset (underlying asset) at a future date and at a certain price. This enables the buyer of the contract to be certain of an asset's price in future thereby getting rid of various risks.
Metal futures are mostly traded on gold, silver, and copper and energy futures are traded on energy resources like oil and natural usable gas like Propane which is used for most gas related appliances in the household such as cooking gas.