Please answer this: What is the missing first step of the following process: - Through erosion, the stream cuts into the soil and bedrock - Through continuous erosion, a deep gash is cut through - After many years the river may dry up - A dry ravine is left -
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Answer: A stream or river must occur

Problem: What is the missing first step of the following process: - Sunlight is gathered by the leaves of the plant - The sunlight is broken down into glucose through photosynthesis - The glucose travels the plant - The plant uses that glucose as energy to grow.

A: Green is a color that gathers sunlight easily

Problem: Given the question: What is the missing first step of the following process: - The magma cools - Particles inside the magma move closer together - Crystals are formed - The crystals contain minerals.
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The answer is:
Magma comes up to the surface of the earth

input question: What is the missing first step of the following process: - Engines produce carbon dioxide - Living things produce waste - Waste decomposes - Decomposition produces methane - Water evaporates - Water vapor joins the atmosphere - Carbon dioxide, water vapor and methane are greenhouse gases -???
output answer: People breathe and expel carbon dioxide

What is the missing first step of the following process: - The oxygen passes through the bronchial tubes to the lungs - The oxygen is moved into the bloodstream - Circulates through the body - The cells in the body exchange the oxygen with carbon dioxide - The bloodstream carries the carbon dioxide back to the lungs - The lungs expel the carbon dioxide through the nose and mouth.
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Answer: A person breathes in oxygen

Q: What is the missing first step of the following process: - The flashlight is turned on - Two contact strips touch one another - A circuit is completed between the batteries and the lamp - The lamp in the flashlight begins to glow - The reflector in the flashlight directs the lamp's beam - A straight beam of light is generated - The flashlight is turned off - The circuit is broken - The beam is no longer visible.
A:
Batteries are put in a flashlight