Can you restate the questions again ?
Tap water and rain water are both homogeneous, even though they may have different levels of dissolved minerals and gases. A bottle of alcohol is a man-made homogeneous mixture, from a fine Italian wine to a glass of Scotch whisky. In the human body, blood plasma is an example of a homogeneous mixture.
B.Elements
Explanation: they cannot be separated
A. electron, B. Nucleus
Proton is positive charge, electron is negative charge
proton weight, 1 AMU
Omg hard question but it’s also amazing imma think about that question