Answer:
Cheer leading is a challenging and beneficial sport! It can help improve flexibility and strength.
Explanation:
I hope this helps you!!
I think it is a compound sentence or statement.
The simple subject of this sentence is Matt Robins.
(2006) found that positive school climate was associated with students' academic achievement, after controlling for SES. Contrastingly, a negative school climate has been found to reduce student participation in school activities and student learning (Chen and Weikart, 2008).
