input question: What is the missing first step of the following process: - Under the right conditions it can develop further and start to spin around a low-pressure center - If it develops it's classified as a 'tropical cyclone' or 'tropical depression' - If the system strengthens and wind speeds rise past 39 mph, the system is dubbed a 'tropical storm' - If the pressure in the center drops even further and the winds really pick up and forms a clearly defined 'eye' it's a hurricane -???
output answer: A hurricane usually starts as an organized thunderstorm activity that stretches at least 100 miles across and maintains its identity for more than 24 hours

input question: What is the missing first step of the following process: - Mix in milk, eggs, and melted butter - Mix until smooth - Heat a griddle or frying pan to medium high - Pour batter onto the griddle -???
output answer: Mix flour, baking powder, sugar, and salt into a bowl

input question: What is the missing first step of the following process: - The cold water forms ice crystals - The ice crystals grow by absorbing surrounding water droplets - Form snowflakes - The snowflakes fall to the ground.???
output answer: Water in the clouds becomes very cold

input question: What is the missing first step of the following process: - Above the oven is a tank of water that is sealed - The tank of water begins to boil above the oven - A the water boils steam is created - The steam is denser than air so it needs a place to go - The steam is forced out of the tank and into a piston - The piston moves up - The valve of the piston closes - The valve on the next piston opens - The steam fills the next piston, driving it up, and the other one down -???
output answer:
A fuel is heated in an oven