It could be biased or misleading.
The mystery food sample did not test positive for protein using the Biuret indicator, so the sample can not be tofu, which is what Zack ate.
Answer:
large rocks
Explanation:
How do I make my soil drain better for plants?
Adding lots of organic matter such as compost, farm manure, or shredded leaves to clayey soil will allow it to drain more easily and hold the right amounts of water and air for better plant growth and increased biological activity.
The aveoli opens and closes to allow the oxygen in but keep out food liquids any thing that's not a gas bacicaly
