Q: - Magma rises through cracks in the Earth's crust - The pressure causes plates to move - Magma explodes to the surface - The lava from the eruption cools to form new crust What might be the last step of the process?
A: After several eruptions, the rock builds up and a volcano forms

Q: - The bat sends out sound waves from their mouth or nose - The sound waves hit an object - Echoes are produced - The echo returns to the bat's ears - The bat hears the echo What might be the last step of the process?
A: The bat can figure out where the object is located.

Q: - Animals and plants die in soft soil or mud - Sediment builds up over the remains - The remains decompose, leaving only trace amounts - The remaining parts over the years are replaced with mineral What might be the last step of the process?
A: A fossil is formed

Q: - Food enters the small intestine - The small intestine produces hormones - The hormones cause the pancreas to produce enzymes for digestion - The enzymes travel from the pancreas to the small intestine through tubes - The enzymes help the intestines digest the food - The pancreas produces the hormones insuline and glucagon What might be the last step of the process?
A:
The hormones control the amount of sugar in the blood.