Which statements correctly connect a resource to the problem with that resource? Choose all answers that are correct.

Lumber is an important resource in Russia; slow growth and overharvesting endanger the industry.

Sulfur is an important resource in Poland; Poland cannot efficiently export sulfur.

Fishing is an important resource in Romania; overfishing restrictions hurt the economy.

The soil of the fertile triangle is an important resource in Bulgaria; excessive farming has damaged the soil.