When marie arrived in paris in 1891, she studied physics at the greatest university in europe, the sorbonne. but how poor she was! and how poorly prepared! she barely knew enough french, let alone advanced math and science, to understand the lectures. why might the author have included these details?

answer; i believe the correct answer is (crops);

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.