How was Aristotle’s model similar to Ptolemy’s model? Both models stated that the planets rotate on their axes.
Both models stated that Earth is the center of the system around which other objects orbit.
Both models stated that the planets and objects in the solar system have small orbits called epicycles.
Both models stated that the Sun is the center of the system around which objects have elliptical orbits.

How much energy moves onto the next level, in an energy pyramid

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.