Whenever one house of congress significantly alters a bill: ) the bill is nullified. b) the chief justice determines the constitutionality of the changes. c) the president vetoes the bill. d) a conference committee is formed to reconcile the differences versions of the bill

a conference committee is formed to reconcile the differences versions of the bill

Explanation: Whenever a bill is altered by a congress member, a body is set up to look into the versions of the bill. This is done to ensure that the bill is in accordance with the rule of law and is egalitarian.

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.