It has more than 1 atom involved.
It's know as chemical equilibrium
Here's a tip something I would do. I would first start off by writing my essay in order from the things they tell me to do. For example,the first thing they want you to do is know where volcanoes are located write about that first then do what they ask second.See that is a simple trick that I use.
Making a guess or hypothesis base on his knowledge or plants and seasons