The word “virtual” refers to something that exists in effect but not in actual fact. how does this definition relate to the virtual image you see of yourself in a plane mirror?

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.

It all depends on the individual

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