Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.
Gold is an ore.
Read the text and determine if the sentence is true:

Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.

Sentence: Gold is an ore.n
Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Read the text and determine if the sentence is true:

Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.

Sentence: Gold is an ore.n
Options: 

 - yes

 - it is not possible to tell

 - no
user
it is not possible to tell
assistant