Answer:
i dont understand
Explanation:
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Answer:
Mineral composition, Soil pH, and Soil Texture
Explanation:
Segments of DNA that contain the code for specific proteins are called genes
The respiratory system is a collection of organs involved in carrying out gas exchange in your body. Deep in the lungs, tiny sacs called alveoli take in oxygen from the atmosphere and release carbon dioxide.
Proteins that tag pathogens for destruction by immune cells are called Antigens.
