Scarlet fever was discovered in 1827, I believe
Its clear that posterior chest stays outside of lungs hence the lungs muscles are involved.
- There are different sounds occur in our body
- When we tap on lunds tissue low pitched, hollow sounds are heard .
- When we tap on bones flat or extremely dull sounds areheard .
- When we tap over heart dull or thudlike sounds are normally heard
Answer:
pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic. Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically.
Answer:
c
Explanation:
it is the answer
mark me as brainliest pls
