1 and 3 only because metal are easily to loss electron while non metal are difficult to loss electron that's why it called heavy elements.
Explanation:
I think 1) acidic solution
2) basic solution.
Atoms combine<span> by forming chemical bonds</span>
Answer:
Hi
Explanation:
That's why rubbing your hands together makes them warmer. ... Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer. Heat from friction can be useful.
A. dose
a dose is an amount, a response is an action, and pollutant and toxins are substances
