Please help answer brainlest each rock you need to tell where OK can you find them
like: your backyard or the road

Flakes of brick
Cracks in rocks
Lichen growing on rocks
Roots or plant growth making cracks in concrete
Worn away statues
Exposed rocks
Rust on rocks
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10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!