Q: - Food begins to be processed by the digestive system - The pancreas releases enzymes to aid digestion - Digested food affects the amount of sugar in the blood - The pancreas releases one hormone to lower the blood sugar (glucose) level - The pancreas releases another hormone to raisethe blood sugar (glucose) level. What might be the first step of the process?
A: Food enters the body

Q: - People burn coal for heat or electricity - Pollution from the coal goes into the sky - Coal pollution enters clouds - Clouds rain over an area - The polluted rain becomes acid rain. What might be the first step of the process?
A: People dig up coal from the ground

Q: - Water enter the body - Bloodstream - Food and water enter the pancreas - The pancreas breaks down carbs - Helps digest other foods and liquids. What might be the first step of the process?
A: Food

Q: - The sound waves hit an object - Echoes are produced - The echo returns to the bat's ears - The bat hears the echo - The bat can figure out where the object is located. What might be the first step of the process?
A:
The bat sends out sound waves from their mouth or nose