Which of the following explains why food is cheaper and more available now than at any time in history? More people in developing countries are eating more grains than meat.
Farmers can produce more crops from the same amount of land.
More farmers are purchasing neighboring lands to add to their holdings.
Scientists have developed “super seeds” that are rich in energy.

because taxes and prices in the stockmarket are going up so they have enough money so they lower the prices

Explanation:

B: Farmers can produce more crops from the same amount of land.

Explanation:

American farms grew larger and more productive at the same time that the global demand for their crops, and the food made from those crops, accelerated. The United States exported 6,988,000 metric tons of corn in 1960. In 2007, the United States exported almost nine times that amount: 61,913,000 metric tons of corn. Corn exports have declined since 2007 because the growth of the ethanol industry has kept more of the corn crop at home. To meet the growing global demand for corn on basically the same amount of land, American farmers improved the productivity of their crops: corn yields, as measured in tons per hectare, more than doubled from 1960 to today.

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answer: blah

explanation:

bc blah

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.