According to the map, how did people first arrive in north america? a. they sailed across the pacific ocean. b. they sailed across the arctic ocean. c. they migrated by land and sea from south america to north america. d. they walked or paddled along the shoreline from asia to north america.

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.