Consider the unbalanced equation for aluminum and oxygen producing aluminum oxide: Al + O₂ → Al₂O₃. Which of the following shows the correct way to balance this chemical equation? Al + O₂ → Al₂O₃ Hint- pay attention to the subscripts. They can not change in your answer. A.
4Al + 3O₂ → 2Al₂O₃
B.
2Al + 3O₂ → Al₂O₃
C.
2Al + O₂ → Al₂O₂
D.
6Al + 3O₂ → 3Al₂O₃

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils