Which of the following accurately describes an important effect of the columbian exchange of goods ?

a. european populations grew as a result of american foods being introduced to european diets.

b. american diseases led to some of the deadliest and most widespread plagues in european history.

c. europeans began looking to african slave labor to prevent the columbian exchange from spreading.

d. native american ideas about political and religious freedom caused europeans to question their leaders

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.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer