Which of the following events was prompted by ida tarbell's investigative journalism?
a.
congress passed a pure food and drug act.
b.
the supreme court broke up the standard oil trust.
c.
roosevelt invited tarbell to dinner at the white house.
d.
child labor laws were rewritten

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.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.