Write two to three sentences describing how the characters in the story you understand what it was like to live in philadelphia in 1793.

Is water wet? and is fire on fire?

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

When you cross a time zone going east what happens to the time