Why are we concerned about the amount of trash that is being put in our landfills today?

Because it can pollute fresh water and water that fish live in and kill fish and animals. it will make our air bad and its nasty and will kill plants then rabbits. things that eat plants will die then foxes and things that eat animals that ate grass or plats will die then things that eat foxes or things that eat plant eaters they will die and so on i hope this helped you.  

the simple machine has three main features. they are:

loadfulcrumeffort

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever