How many moles of n are in 0.187 g of n2o?

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Which best describes how johannes kepler developed his laws of planetary motion

How do scientists think that gravity affected the formation of our solar system?