Answer:
B
Explanation:
The biuret solution will turn from blue to purple when it is exposed to protein. The copper sulfate and potassium hydroxide cause the substance to become an alkaline.
• ignitability
• corrosivity
• reactivity
• toxicity
sorry if i’m wrong
From what I remember it's called a substrate
Answer:G. thurberi
Explanation: because you can really tell. Correct
Answer:
a) root system .take care