Coal is a naturally forming rock. It is formed millions of years ago from the remains of plants. Coal is mined from the earth and then burned for energy. Which sentence from the passage describes how people change the earth’s surface? Coal is a naturally forming rock.

It is formed millions of years ago from the remains of plants.

Coal is mined from the earth and then burned for energy.​

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.