Problem: 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 -

A: Magma rises through cracks in the Earth's crust

Problem: Given the question: What is the missing first step of the following process: - 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 - Minerals form when magma and lava cool -
++++++++++++++++++++++++++++++++
The answer is:
There are places inside Earth where rock will melt

input question: What is the missing first step of the following process: - The items are sorted - Trash is removed from everything else - Goes to a landfill - The items go into a baler machine for each kind of material - They come out as bales - The bales are shipped to manufacturers to use to make products.???
output answer: Items are collected

What is the missing first step of the following process: - Is exposed to air - A chemical reaction occurs - The iron starts to oxidize - The iron starts to rust.
----
Answer: Iron is exposed to oxygen

Q: What is the missing first step of the following process: - Cells in the pancrease release glucagon - The liver in response turns the glucagon into glucose - And releases it into the blood - The blood sugar levels are restored.
A: The blood sugar drops in a body

[Q]: What is the missing first step of the following process: - Water enter the body - Bloodstream - Food and water enter the pancreas - The pancreas breaks down carbs - Helps digest other foods and liquids.
****
[A]:
Food