1. Total value of a country commodity in a year is known as...... GDP 2. fungibility of resource means that resources are...... Substitutable 3. Ownership right enforcebility is a key factor for an.......... Efficient market 4. Traditional economics resource broadly classified into....... Three 5. Land environment comprises of geosphere component such as; .........;....... and........ Rocks, mountain and soils 6. .....is a man made resources for the purpose of creating more efficient productions processes. Capital 7. Resource is classified in two ways; namely traditional economics resource and.......... Environmental economics resources 8. For market to operate efficiently...... Should be clearly defined and enforced. Ownership right 9. The term that imply that the Economic value of any resource is defined by human needs and nothing else is known as.............. Anthropocentric 10. In environmental economics, land is refers to as.......... Natural resources