Cuáles fueron los dos grupos étnicos que estuvieron por mucho tiempo en la
península ibérica y que aportaron raza negra a los españoles?

Asubstance is made up of slow-moving particles that have very little space between them. based on this information, whatcan most likely be concluded about this substance? it is not a gas because its particles do not move continuously.it is a gas because its particles move continuously in a straight line.it is not a gas because its particles do not have large spaces between them.it is a gas because its particles move in many different directions.