Which of the following were the cost of mining

The costs (specifically negative costs) of mining were:

Streams were polluted and forests were cut down

Foreign miners were treated unfairly

Those two are certain, but the last option might also be correct:

Lawlessness and disorder were rampant.

The costs (specifically negative costs) of mining were:

Streams were polluted and forests were cut down

Foreign miners were treated unfairly

Those two are certain, but the last option might also be correct:

Lawlessness and disorder were rampant.

threatening rain forest organisms

Explanation:

threatening rain forest organisms

Explanation: