What are the null hypothesis of this questions?
1. What are the characteristics of cassava starch and other food waste as a bioplastic material?
a) Color b) Durability c) Odor d) Texture
2. What are the differences of bioplastic material compared to commercial plastic in terms of:
a) Color b) Durability c) Odor d) Texture
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Answer:
1.d)texture
2.b)durability
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