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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the correct answer is d

answer-

the statement that f(x) = |x+a| + b has exactly one x-intercept is sometimes correct.

solution-

it solely depends on b, whether the function will have one or two or zero x intercept.

this plot of the given function, f(x) = |x+a| + b will be the basic absolute value graph i.e v shape, with vertex translated to (-a, b), instead of origin.

1-   if b is zero, the graph will have exactly one x-intercept, at x= -a

2- if b is positive, the whole graph will be above the x-axis, hence it will have no x-intercepts.

3- if b is negative, the graph will be below the x-axis, hence it will have two x-intercepts.

∴ the statement is sometimes true.