The United States consumes approximately 20 million barrels of oil per day. According to the USGS estimate, for how many days would the technically recoverable oil resource in ANWR supply the total United States demand for oil?]

500 days

Explanation:

The United States consumes approximately 20 million i.e. 20,000,000 barrels of oil per day.

According to the USGS estimate, the technically recoverable oil resource in ANWR supply the total United States demand for oil for days.

Here, USGS stands for United States Geological Survey and ANWR stands for  Arctic National Wildlife Refuge.

d

explanation:

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b