*Question*
For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.  If a substance is tested and has a high pH of 12 we could say that the substance is acidic or basic?
**Answer**
basic

*Question*
Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.  Reid notices that tributary glaciers make U-shaped valleys when flowing. A large valley was likely caused by a small or large tributary glacier?
**Answer**
large

*Question*
Areas near the equator are warmer than areas near the poles because they receive more direct sunlight.  A person moving north towards the North Pole will receive more or less direct sunlight?
**Answer**
less

*Question*
In erosion, a slower moving stream will only carry smaller particles.  If a stream begins moving faster, what will happen to the size of the particles it carries get bigger or get smaller?
**Answer**
get bigger