Q: 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 -
A: He air we breathe contains oxygen and other gases

Question: What is the missing first step of the following process: - The sediment rolls down hill towards a river - The heavy items sink to the bottom - The lighter items float on the top and in convection cycles - As the river flows the sediment is moved - The sediment gets dumped through tributaries into lakes and the ocean - The sediment keeps moving around the world in convection currents.
Answer: Sediment becomes loose from the rest of the soil

[Q]: What is the missing first step of the following process: - Fill the tray with water from the faucet - Put the ice cube tray in the freezer - Wait for several hours - The water will freeze and become ice - Remove the ice cube tray from the freezer - Remove the ice cubes from the tray.
****
[A]: Take out an ice cube tray

input: Please answer the following: What is the missing first step of the following process: - Food is squeezed down the esophagus when you swallow - Acid and enzyme in the stomach break the food down - Releases nutrients - Food then pumped into small intestine - Fluid and enzymes from liver and pancreas pumped into small intestine - Help break food into smallest molecules - Nutrients pass through wall of small intestine - Nutrients absorbed into blood stream - Unused materials passed into large intestine to become fecal matter.
++++++++++
output: An enzyme in saliva begins to break down carbohydrates

Please answer this: What is the missing first step of the following process: - Bees will begin to chew max until it becomes softened - The chewed up wax will be stored inside of a honeycomb - Worker bees continue chewing and softening wax from within - The chewed up wax is steadily added, making the hive bigger and bigger - The bees will house nectar, honey and pollen within the honeycomb's cells -
++++++++
Answer: Bees first secure the perfect spot, such as hollow areas of trees

Question: What is the missing first step of the following process: - The water is boiled to a very high tempature - The salt becomes seperated from the water - The salt is removed - The water is able to be drank at this point.
Answer:
Salt water is contained in a factory or plant