Suppose the government provides a subsidy for ethanol production, an energy source made from corn, what happens to the supply of ethanol? * 2 points
a. Quantity supplied increases
b. Quantity supplied decreases
c. Supply increases
d. Supply decreases

The correct answer is - supply increases.

Explanation:

If the government subsidies any product, corn ethanol here, the producers can increase their production for more goods or services. This increase in the production leads to an increase in the supply of particular good or service.

An increase in the supply will also lead to increase in the quantity demand and that ultimately lead to a decrease in the price of the service or good. In this case, corn ethanol will also experience an increase in supply.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.