Which of the following images represents a desert?
d) none of the images.

The image that shows a desert is the third image.

The third image is representing the country of Mongolia. In its southern part there's a desert, the Gobi Desert. This desert is stretching partially in Mongolia and partially in the neighboring China.

The Gobi Desert is the northernmost desert is the world. It is part of the so called cold deserts, as it experiences both summer and winter, and in fact it is also the coldest desert in the world.

It is not a stereotypical looking desert with sands and sand dunes, but instead, it is a desert that is covered with rocks, ranging in size from very small to very big.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

polar areas, such as antarctica or the south pole.