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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Answer: Magma comes up to the surface of the earth

What is the missing first step of the following process: - Composition of blood is regulated - Volume of water in blood is kept constant - PH is kept at a constant level - Kidneys help regulate blood pressure - Kidneys stimulate the making of red blood cells - Calcium levels are maintained.
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Answer: Kidneys filter waste out of blood

What is the missing first step of the following process: - The caterpillar eats constantly until it grows bigger - The caterpillar starts to form a cocoon around itself - The caterpillar becomes a pupa - After some time the cocoon hatches - And a butterfly is born.
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Answer:
A larva is born