Question

helen is writing an article about glaciers. read each detail and then select the section where it fits best.
glaciers are large masses of ice created by the buildup of snow over time.
although glaciers are frozen, their weight actually causes them to flow slowly downhill.
glaciers are located in polar regions or in high mountain ranges.

Explanation:

First Detail: "Glaciers are large masses of ice created by the buildup of snow over time."

The detail is about how glaciers are formed (created by snow buildup over time), so it fits the "Formation" section.

This detail describes how glaciers move (flow downhill due to weight), so it fits the "Movement" section.

This detail is about where glaciers are found (their geographical location), so it fits the "Geography" section.

Answer:

Formation (select the circle under Formation for this detail)

Second Detail: "Although glaciers are frozen, their weight actually causes them to flow slowly downhill."