Q: - Electrical signals in the brain travel through nerves to muscles - Two types of proteins exist in filaments in the muscles - The filaments move when the brain instructs them to - The motion of the filaments cause the muscle to shorten and contract What might be the last step of the process?
A: Opposing pairs of muscles exist in order to provide the necessary range of motion.
Question: - People dig up coal from the ground - People burn coal for heat or electricity - Pollution from the coal goes into the sky - Coal pollution enters clouds - Clouds rain over an area What might be the last step of the process?
Answer: The polluted rain becomes acid rain.
[Q]: - Water seeps into rocks - The water freezes and thaws - Cracks form in the rocks - Cracks also form when rocks heat up What might be the last step of the process?
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[A]: The rocks slowly break down.
input: Please answer the following: - Human industry produces chemical compounds - Chemical compounds rise into the air - Chemical compounds mix with elements in clouds - The affected rain falls to the earth What might be the last step of the process?
++++++++++
output: The affected rain can harm natural and man-made objects because of its acidic content.
Please answer this: - There are places inside Earth where rock will melt - Melted rock inside the Earth is also called molten rock, or magma - Magma moves up through Earth's crust, but it does not always reach the surface - When magma erupts onto Earth's surface, it is known as lava - As lava flows from volcanoes it starts to cool What might be the last step of the process?
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Answer: Minerals form when magma and lava cool
Question: - Put water in an ice cube tray - Put the ice cube tray in the freezer - Wait 5 to 6 hours - Take the ice cube tray out of the freezer What might be the last step of the process?
Answer:
Bend the tray slightly to get the ice cubes out and into a drink.