You use a lawnmower to cut your grass and to keep it neat and tidy. You can use a lawnmower to collect fallen leaves in Autumn,
You don't need a lawnmower. There is no law that requires you to need a lawnmower, but, if you have a lawn and want to keep it tidy you would be advised to use a lawnmower as a scythe requires much skill and a lot of energy.
It is due to the momentum still in the blades.
If you do not have a key the coil is not going to spark.
because ....well i got nothing I would check your float it might be sticking, fuel filter might be plugged. That depends on what type of lawnmower you are working on but it sound like a fuel problem to me .
Bury the mice underground for a few days
You will end up with inbred mice
keep out mice and rats
it is to keep it balanced
Many people, especially children, keep mice as pets.
yes, mice can get very sick if you don't keep them healthy
Yes ammonia can do that. It is toxic for rats.