input question: What is the missing first step of the following process: - The virus attaches to the cell's surface - The cell swallows the virus - The virus' RNA is released into the cell - The cell mistakenly reads the virus' RNA instead of its own - The cell creates new viruses - The animal cell releases the new viruses - The new viruses can infect more cells.???
output answer: The virus finds an animal cell

What is the missing first step of the following process: - Through warming or other methods a chunk is taken off the glacier - The chunk drifts into the sea - And it settles where it can remain in its state - It is considered an iceberg.
----
Answer: You start with a glacier

Q: What is the missing first step of the following process: - The pollution negatively affects the water quality - The pollution negatively affects the health of plants and animals - The plants and animals have shorter, less healthy lives - The plants and animals do not reproduce very well - The number of plants and animals decreases over time - The quality of water gets worse and worse as there are no plants or animals to clean it - Eventually there is nothing living in the water and it is unusable -
A: Pollution enters natural water sources such as rivers and lakes

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 -
Answer: Water comes through a filter

[Q]: What is the missing first step of the following process: - Your tongue helps out, pushing the food around while you chew with your teeth - The esophagus moves food from the back of your throat to your stomach - Strong muscles in the walls of the stomach and gastric juices break down food in your stomach - Your stomach moves the food into the intestines to complete digestion -
****
[A]: The saliva breaks down the chemicals in the food a bit, which helps make the food mushy and easy to swallow

Problem: Given the question: What is the missing first step of the following process: - Sediment builds up over the remains - The remains decompose, leaving only trace amounts - The remaining parts over the years are replaced with mineral - A fossil is formed -
++++++++++++++++++++++++++++++++
The answer is:
Animals and plants die in soft soil or mud