Q: 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.
A: Iron is exposed to oxygen

Question: What is the missing first step of the following process: - Slide out the bottom rack - Take a dirty plate - Rinse the plate - Place the dish in the rack - Repeat leaving enough space for water to reach all items - Fill the soap cup - Turn on the dishwasher.
Answer: Open the Dishwasher

[Q]: What is the missing first step of the following process: - Food is chewed and mixed with saliva (spit) - Food travels down the esophagus (throat) - Food travels into the stomach - Acid in the stomach breaks the food down further - Food travels into the small intestine - Nutrients from food are absorbed into the blood stream - Food travels into the large intestine - Most of the remaining material is now waste - The waste is eventually removed from the body.
****
[A]: Food is put into mouth

input: Please answer the following: What is the missing first step of the following process: - Once in the lungs, oxygen is moved into the bloodstream and carried through your body - At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide - Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled - Your lungs and respiratory system automatically perform this vital process, called gas exchange -
++++++++++
output: He air we breathe contains oxygen and other gases

Please answer this: What is the missing first step of the following process: - Cells in the pancreas release insulin - Insulin causes the body to absorb glucose from the blood - Blood sugar goes back to normal - Blood sugar is too low - The amount of insulin goes down - Cells in the pancreas release glucagon - The liver turns stored glycogen into glucose - The liver releases the glucose into the blood - Blood sugar goes back to normal.
++++++++
Answer: Blood sugar levels increase after a meal

Question: What is the missing first step of the following process: - The water rises up in the air - It starts to cools down - The water starts to condense - It forms into clouds - When there is enough moisture in the clouds it starts to rain.
Answer:
Warm weather causes water to evaporate