How can i use "contour plowing" in a sentence?

Why is the price of rice so important? a. rice prices must be kept within reach of the poorest peopleb. rice prices must make a large profit or no one will grow itc. rice prices impact the cost of fruits and vegetables on neighboring farmsb. rice prices have no real importance other than to large corporations

Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income

Which of the following insects is a decomposer? a. mosquito. b. caterpillar. c. beetle. d. none of the above.