What genre is the book Then by Morris Gleitzman?

If you woke up tomorrow and all of the animals on earth were gone what would happen to the amount of oxygen in the air? What happens to the animals in the amazon during deforestation? What States that remained in the Union but allowed slavery were referred to as? What was the impact of monastries on christian society? Why do women have more rights I mean norwadays women have more rights than men? Is logging a renewable or renewable? A purified nutrient that is manufactured or extracted from natural resources? What are the purposes of bullies? Is it possible for my husband to stop being bisexual? Which natural disasters lead to cholera? What are the ways of eliminating or minimizing air pollution? How many miles from top to bottom is Utah? Why do people pick on or bully ginger people? What states offers the lowest organizational costs for corporations? What are the three subdivisions of biological environment? What is the effect of plastic on land? How can the improvement of working conditions in an organization improve quality of products and services? How to Define traffic pollution? How does conserving energy help control air water and land pollution? How do droughts effect plants?