Question

read the following excerpt from a student essay. how can the writer best improve his or her organization?
bedrock is extremely hard rock buried beneath the soil or gravel found at the earths surface. it is also buried under the sand of the ocean floor. outcrops are bedrock deposits that appear at the surface of the earth. bedrock can stretch hundreds of feet below the earths surface, forming the upper part of the earths crust. it can be made up of three different kinds of rock: igneous, sedimentary, and metamorphic. outcrops can be the result of erosion or drilling and can be seen on mountains or plateaus, along rocky coasts, and in stone quarries.
by keeping all the information about outcrops together
by defining bedrock before giving details about it

Explanation:

The writer first talks about bedrock, then outcrops, then back to bedrock. Grouping all outcrop - related info together would improve the flow. Defining bedrock before details is already done (first sentence).

Answer:

by keeping all the information about outcrops together