Did Dalton had a previous model? If so Explain the difference between this model and the previous model . sorry i forgot to add this part.

What is the difference between the formation and characteristics of intrusive igneous rock and extrusive igneous rock?

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter

How far is a geographic second? a.) around 100 feet b.) around 1,000 feet c.) around 5,000 feet d.) none of the above