In this task, you are given a paragraph, and your task is to construct a question from the given passage. Construct question in such a way that (i) it is well explained in the paragraph, (ii) the words may/may not be present in the paragraph, (iii) it should start with what/how/describe. Avoid creating a question that (i) is just relevant to one or two sentences, and (ii) not relevant to passage. 

The farmer chooses a crop that will grow well in his region. The farmer tills the soil to loosen it. The farmer spreads seeds. The farmer tills again to plant the seeds. Crops grow. 
Describe the process of planting crops.

You start with a glacier. Through warming or other methods a chunk is taken off the glacier. The chunk drifts into the sea. And it settles where it can remain in its state. It is considered an iceberg. 
How do icebergs form?

A mold spore floats through the air. The spore lands on a piece of bread. The spore grows hyphae into the bread. The mold forms a colony. Sporangiophores grow upward. The mold sends out spores. 

How does mold grow on bread?