The 1 one electrons have positive charge
Explanation:
Rainwater harvesting is collecting the run-off from a structure or other impervious surface in order to store it for later use. Traditionally, this involves harvesting the rain from a roof. The rain will collect in gutters that channel the water into downspouts and then into some sort of storage vessel.
<h2>Hello!</h2>
The answer is: 
<h2>Why?</h2>
First, we need to calculate the molecular weight of the acetone (CH3COCH3)
So,

Then,

Second, we need to calculate the mass of the acetone in the bottle
We need to remember that 
So,

Third, we need to calculate the number of moles:

Fourth, we need to calculate the number of atoms:
Remember, 
Therefore,

Have a nice day!
A mineral occurs naturally, meaning that even though there are artificial substances that might be described as mineral-like they are not minerals
Answer:
Learn from their experiment and know the possible results from trial and error