Which city lies at about the same latitude of washington dc

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

Which season has the least amount of rain in the northern latitudes

Select the natural regions. delta denver forest georgia north america plateau stream