Which of the following is the farthest from Earth?
OPTIONS:
- Halley's comet
- the Andromeda galaxy
- Neptune
- the Sun

the Andromeda galaxy

The presence of which of the following geological features provides the best evidence that glaciers once covered an area?
OPTIONS:
- wide riverbeds
- U-shaped valleys
- underground caves
- groundwater springs

U-shaped valleys

Fossil fuels were formed from
OPTIONS:
- volcanoes
- the remains of living things
- gases in the atmosphere
- water trapped inside rocks
the remains of living things