Which of the following resources have been the main contributors to Russia’s wealth in recent years?

A. coal and iron

B. hydropower and timber

C. gold and silver

D. oil and natural gas

I believe the answer is D.) Oil and natural gas

Explanation:

I hope this helps you!!

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.