Answer:
I didn't misunderstood you right? thanks π∆π
When salt and sugar dissolve in water it is a physical change. The chemical makeup of the salt and sugar are not changed.
Physical change
False, hearing is caused by the eardrum picking up sound frequencies made by Jil. So its not the air molecules, its the sound waves.
Answer: A normal female karyotype is written 46, XX, and a normal male karyotype is written 46, XY.
Explanation: