Most of what we know about the interior of the earths comes from the study of seismic waves from earthquakes. primary waves are compressional waves that are longitudinal in nature while secondary waves are shear waves that are transverse waves. notice how the change in the velocity of s-waves to 0km/s what does it tell us about the nature of earths interior

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.

Matches the chemical name of each oxide of phosphorus to its chemical formula

When the water vapor cools it condenses select a number that represents his process on the