What Changes do I need to make to protect our earth?
Pluto is NOT a planet, it's a dwarf planet
The thing that has changed the most in Christchurch over the last years is the population.
The order of the layers surrounding earth from the closest to the furthest away is; troposphere, Ozone layer, Stratosphere.
NASA are trying to make mars a place that where we can live because of our overpopulation problem.
The water that you drank this morning could have been drank by a dinosaur.