Answer:
Organic and Geometric shapes! 
Step-by-step explanation:
ORGANIC: shapes, often curvilinear in appearance, that are similar to those found in nature, such as plants, animals, and rocks. 
GEOMETRIC: any shapes and based on math principles, such as a square, circle, and triangle.
22. Organic 
23. Geometric 
24. Organic 
25. Geometric 
26. Looks more Geometric 
27. Geometric 
28. Organic 
29. Organic 
30. Looks more geometric