a 220. lb fullback runs the 40 yd dash at a speed of 19.6 mi/hr. determine the de Broglie wavelength in nanometers

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.

What overall charge must all compounds have

In the reaction between a crushed antacid tablet and vinegar what gas is emitted