Aconsisted of a frame attached to a vertical wooden stick that was dragged through the field to break up the soil. a. soil refiner b. crop rotator c. cattle harness d. scratch plough

D. scratch plough

Explanation:

The plow or aradro (from the Latin aratrum) is a farming tool used in agriculture to open furrows in the ground and remove the soil before planting. Plow increases the porosity, which favors the growth of the plants, although when the soil is removed water is lost through evaporation and some soil through erosion, and the eventual rains wash nutrients and fertilizers that may have been applied to the soil, generating losses. Due to these limitations, towards the beginning of the 21st century the direct sowing was spread, the cultivation of the plants without soil tillage.

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the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.