Answer:
weak acid
Explanation:
4-6.9 belongs to weak acids
The folds in the stomach lining are called rugae. On these rugae, you will find a thin line of mucous which helps protect the stomach lining. The innermost layer is called Simple Columnar Epithelium.
Answer: birds
Explanation: because birds have wings and they can fly
Answer:
A
Explanation:
Photosynthesis produces carbon dioxide, while cellular respiration produces oxygen
