Q: What is the missing first step of the following process: - The energy from the sunlight causes an enzyme in the plant to break apart the water - The water breakes into oxygen, hydrogen, and electrons - Hydrogen, along with electrons energized by light, converts NADP into NADPH - Oxygen diffuses out of the plant as a waste product of photosynthesis -
A: Sunlight hits chloroplasts in the plant

Q: What is the missing first step of the following process: - Green house gases enter from the earth - Heat is trapped in atmosphere - Different things on earth are hotter - The overall planet is hotter.
A: Suns heat enters atmosphere

Q: What is the missing first step of the following process: - 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.
A: Food enters the body

Q: What is the missing first step of the following process: - Air goes through all the little branches in your lungs to fill up the air sacs, or alveoli - Oxygen goes through the walls of the alveoli and into the capillaries - The oxygen goes into the bloodstream - Oxygen is left and carbon dioxide is picked up - You breathe it out through your lungs -
A:
You breathe in