What is the missing first step of the following process: - Waves have energy that pushes the water and sediment - The sediment can help erode land like sandpaper - Water washes the sediment back - Some sediment is left as sand.
Ans: Waves hit the coast

What is the missing first step of the following process: - Placed into the dishwasher - A detergent is added to the detergent dispenser - The dishwasher is closed - The power is turned on - In about 1.5-2 hours, the dishes are clean -
Ans: Dirty dishes are rinsed

What is the missing first step of the following process: - The water freezes and thaws - Cracks form in the rocks - Cracks also form when rocks heat up - The rocks slowly break down.
Ans: Water seeps into rocks

What is the missing first step of the following process: - The boiler produces steam under high pressure - The steam generated in the boiler flows down into a cylinder - Just ahead of the wheels, pushing a tight-fitting plunger, the piston - The piston is connected to one or more of the locomotive's wheels through a kind of arm-elbow-shoulder joint called a crank and connecting rod - As the piston pushes, the crank and connecting rod turn the locomotive's wheels and power the train along - An outlet valve opens and the piston pushes the steam back through the cylinder and out up the locomotive's chimney -
Ans: Coal is loaded into the firebox