*Question*
On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body.  Having read the above passage, choose the right answer to the following question (choices are hot or cold ):   Karen is feeling very warm, and starts to sweat. Her blood flow is increased, likely because the day is hot or cold?
**Answer**
hot

*Question*
So more water is displaced by a bigger body than a smaller one.  Having read the above passage, choose the right answer to the following question (choices are Jerry or Milo ):   Both Milo and Jerry jump into a pool. Milo is larger then Jerry. Which person will displace more water when they jump in Jerry or Milo?
**Answer**
Milo

*Question*
In erosion, the higher the elevation, the farther the stream is from where it will reach base level and the more cutting it has to do.  Having read the above passage, choose the right answer to the following question (choices are more or less ):   A stream in a state with a lower average elevation will have to do more or less cutting to reach base level that in a state with a higher average elevation?
**Answer**
less

*Question*
The main law is the law of superposition. This law states that deeper rock layers are older than layers closer to the surface.  Having read the above passage, choose the right answer to the following question (choices are newer or older ):   Rocks that are buried deep underground are newer or older than rocks on the surface?
**Answer**
older