Which of the following statements cannot be attributed to the spread of modern agriculture? world food supplies have increased. single-family farms are making higher profits. increased productivity requires less land to be cultivated. mechanized farms require a larger labor force than traditional farms. i and ii i and iii i and iv ii and iv iii and iv

It is important to keep in perspective what modern agriculture has achieved. More efficient crops, seeding techniques, care-taking techniques as well as genetically modified food are some of its accomplishments. Under this light, 1 is true thanks to modern agriculture; crops have multiplied their efficiency after the introduction of these innovations. Also, due to the increased productivity, we need to cultivate less land to achieve the same yield and this is again thanks to modernity. However,mechanized farms, a product of modern agriculture require less labor to be run, not more and as far as statement 2 is regarded, big corporations make much more profit than a small single-family farm. Hence, the correct answer is II and IV

The correct answer is a)  a resource with a limited supply; it will run out.