The troposphere contains 90% of the ozone in the atmosphere

That is false

Around 90% of all the ozone contained in the atmosphere is accumulated in the stratosphere - this area is also called the ozone layer due to the high concentration of ozone.

Troposphere is below the stratosphere, and it's the one that's closest to the earth.

Ididn’t pass this test sorry

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