Climate is the biggest one, if it were anything else it would be like the type of ground (kind of like mountains or a valley.) Hope this helps!
True.
It is easier since there are a lot of theories that could sum up and provide evidence to support that an object has life than life itself.
One popular theory is the cell theory which states that all organism is made up of cells, cell that came from those pre-existing cells, and reproduce by those cells themselves.
Worldwide, nearly one-third of the
population does not have access to clean drinking water.
