[Q]: - Networks of trees start forming - The trees die off - The dead material provides nutrients for more trees - The rising trees provide shelter - And more organisms begin to thrive What might be the last step of the process?
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[A]: The ecosystem known as a forest is made.

[Q]: - Waves hit the coast - Waves have energy that pushes the water and sediment - The sediment can help erode land like sandpaper - Water washes the sediment back What might be the last step of the process?
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[A]: Some sediment is left as sand.

[Q]: - A plant grows near or on a rock - The plant roots begin to grow - Break apart the rock - The plant acids dissolve parts of the rock - The rocks are broken into more and more pieces What might be the last step of the process?
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[A]: Erosion starts to occur.

[Q]: - There is a rain cloud in the sky - Small bits of ice within the cloud bump each other - The collisions create electrical charge - Lighter, positively charged particles sink to the bottom of the cloud - Heavier, negatively charges particles rise to the top What might be the last step of the process?
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[A]:
When the positive and negative charges grow large enough, a giant spark, called lightning occurs