Which of the following terms best describes the use of environmentally friendly farming methods to conserve soil and water?
a. slash-and-burn farming
b. sustainable agriculture
c. conservation
d. ecology

b. sustainable agriculture

Sustainable agriculture represents a compromise between the needs of the present generation and the protection of future ones. It refers to those agricultural practices that strive to maintain a healthy environment without dismissing economic profitability. Farmers who want to cultivate the land in a sustainable way use particular methods to conserve soil and water, always striving for the preservation of these ecosystems. Practices include minimizing water use, strengthening local economies and lowering pollution levels.

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.