We can classify both the shovel and the garden trowel as compound machines. this is because each garden tool contains two simple machines,

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explanation:

it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me

i need with 1.3.2 investigate cycling o2 and co2 apex

we need to see it

answeralert drivers who drift off the road;