Which of the following is a possible factor that has prevented humans from making changes that would allow them to rely entirely on nonrenewable resources?

question 2 options:

a)

politicians have removed all barriers, they just need the money.

b)

the idea that since nonrenewable resources are still available, there is no need to switch yet.

c)

efficient technology doesn't always exist.

d)

both b and c

e)

all of the above

Match the following terms and definitions a region in arkansas defined by the arkansas river in the western part of the state answer 1 a thoroughly dissected area with steep valley walls and narrow floors answer 2 a geographical region of a country or state answer 3 the friendly and generous reception and entertainment of guests, visitors, or strangers answer 4 the branch of knowledge concerned with the production, consumption, and transfer of wealth answer 5 statistical data relating to the population and particular groups within it answer 6 a mountain range in west central arkansas and southeastern oklahoma answer 7 travel for pleasure or business; also the theory and practice of touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tours answer 8 answer all parts of the question.

What is the northern most national park in the world

Which city area has the most accessible oil reserves a) caspian sea b) siberia c)arctic coast d)lake baikal