Resources are
a. plentiful for households but scarce for economies
b. scarce for households and scarce for economies
c. plentiful for households and plentiful for economies
d. scarce for households but plentiful for economies

A. plentiful for households but scarce for economies

Human economics and ecology are linked together because human economics utilizes the ecosystem and the natural resources in order for economics to actually exist. As living organisms in the biotic environment, human beings need food, water and resources in order to survive and thus, it is used in trading, buying and selling of the goods, where economics function. It also applies the supply and demand approach and uses strategy in how to maintain and innovate resources.   

Air occupies

Hello there.identify what structures in a skeletal muscle will shorten in length during contraction of the muscle. choose all that apply. (0.5 pts)answers: muscle fiber