Problem: Given the question: What is the missing first step of the following process: - The filter has small pores to catch pollutants - The filter will catch chlorine, heavy metals, and other chemicals - The filter allows water and mineral ions like fluoride to pass through - The water on the other side of the filter is much cleaner -
++++++++++++++++++++++++++++++++
The answer is:
Water comes through a filter

input question: What is the missing first step of the following process: - The animals living in the forest have fewer places to hide - Predators can now find their prey eaiser - Birds will fly away from the area - Waters warm up which hurts the fish swimming in them.???
output answer: Forest fires burn forests

What is the missing first step of the following process: - They are buried under layers of soil - Pressure builds over time - The remains liquefy - The carbon atoms rearrange to become a new substance.
----
Answer: Plants and animals long ago died

Q: What is the missing first step of the following process: - The water combines with carbon dioxide in the air to form carbonic acid - As the acid is formed, the iron starts to dissolve - Some of the water breaks down into hydrogen and oxygen - The free oxygen and dissolved iron bond together - They form iron oxide, which is rust -
A: Water comes into contact with something made of iron

Question: What is the missing first step of the following process: - Centrioles separate to move to opposite poles - Metaphase, the chromosomes line up in the center - Anaphase, the chromatids separate - Are pulled apart - Telophase, the chromosomes gather at opposite poles - Two new nuclear membranes form - The cell membranes pinch - Divide into two individual cells -
Answer: Prophase, the chromosomes become visible

Please answer this: What is the missing first step of the following process: - These substances rise into the high atmosphere - They react with water and oxygen - This creates a more acidic rain - The rain with the high acid content falls.
++++++++
Answer:
Chemicals like sulfur dioxide and nitrogen are released into the air