Problem: Given the question: What is the missing first step of the following process: - The pressure causes plates to move - Magma explodes to the surface - The lava from the eruption cools to form new crust - After several eruptions, the rock builds up and a volcano forms -
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The answer is:
Magma rises through cracks in the Earth's crust

Problem: Given the question: What is the missing first step of the following process: - The roots of the growing plants start to break up the rock - The plant acids dissolve the rock - The rock is broken down into smaller pieces - Erosion begins.
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The answer is:
Plants start growing on or near the rocks

Problem: Given the question: What is the missing first step of the following process: - The dishwasher heats the water - The detergent dispenser opens at the right time - Water is shot through the jets to clean the dishes - The dirty water is drained - More water is sprayed to rinse the dishes - The water is drained again - The air is heated in the dishwasher to dry the dishes.
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The answer is:
Water flows into the dishwasher