The answer is letter c. ball courts. The ball courts were from the Aztecs. The rest of the choices were all practiced by
the Mayans. Still the Aztecs and the Incas
also had some similarities in terms of agriculture as well as science and math.
The effect that the Gero Crucifix had on Medieval German art would be how uniquely it portrays Christ in it such that it serves a monumental work of Christ compared to its earliest depictions before. It focused more on the image of the 'suffering Christ' on the cross.
Trees give off oxygen that we need to breathe. Trees reduce the amount of storm water runoff, which reduces erosion and pollution in our waterways and may reduce the effects of flooding. Many species of wildlife depend on trees for habitat. Trees provide food, protection, and homes for many birds and mammals.
