input question: What is the missing first step of the following process: - These pores are called stomata - Water is absorbed by the roots and passes through vessels in the stem on its way to the leaves - Chlorophyll absorbs the sun's energy - It is this energy that is used to split water molecules into hydrogen and oxygen - Oxygen is released from the leaves into the atmosphere - Hydrogen and carbon dioxide are used to form glucose or food for plants.???
output answer: Carbon dioxide from the air passes through small pores (holes) in the leaves

input question: What is the missing first step of the following process: - The female lays eggs - The eggs are incubated by the parents, by sitting on them, for weeks - The bird hatches from an egg - The parents feed them as the continue to grow - Develop flight feathers - The parents teach them to fly - After learning to fly they leave the nest to live on their own - The next year they breed beginning the cycle again -???
output answer: A male and female bird mate

input question: What is the missing first step of the following process: - The sperm implants itself into the egg - The sperm and egg form a zygote on the wall of the uterus - The fetus grows and develops - The woman gives birth to a baby - The baby is raised by parents until it is able to take care of itself - The person goes out into the world and finds a job - The person meets other people and has a life - The person gets a career, and gets married - The person retires and eventually passes away -???
output answer: A sperm meets an egg in the uterus of a woman

input question: What is the missing first step of the following process: - The can is taken to a recycling center - Melted down along with other cans - The melted metal is turned into bars - Becomes material for other products.???
output answer:
A can is thrown away into a recycling bin