It’s all based on you but yours could be anything hard you went through and how you overcame it. Also say how it made you the person you are today
Density is the ratio of mass to the volume.
The mathematical expression is given as:

Now, density of isooctane = 
Volume = 
Since, 1 gallon = 3.78 L
So, 3.8 gal = 
= 
As, 1 L = 1000 mL
Therefore,
= 
Volume in mL = 
Put the values,


= 
Hence, mass of 3.8 gal of the gasoline is
.
The first pesticides relied on natural chemicals, such as those taken from chrysanthemum flowers is true
There are 2 moles in 8 grams