Answer:
Explanation:
this is because according to me Na is a mental and Cl is non metal so when and
Answer:
Cause particle are move very fast
Add starch indicator solution to the water in the beaker. If the indicator solution changes color than starch is present.
<em><u>Answer:Anatomically, respiratory tract is divided into upper (organ outside thorax - nose, pharynx and larynx) and lower respiratory tract (organ within thorax - trachea, bronchi, bronchioles, alveolar duct and alveoli). The discussion is mainly concentrated on the lower respiratory tract and the related physiology.</u></em>
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