What is the first step if seafloor spreading

What is the process of sea-floor spreading? In sea-floor spreading, the sea floor spreads apart along both sides of a mid-ocean ridge as new crust is added. As a result, the ocean floors move like conveyor belts, carrying the continents along with them.

Be prepared and listen to all warnings issued for you area. Rising water can overtake a vehicle and your home in seconds. Learn how flooding occurs and what you can do to minimize the damages to your property. More importantly, getting educated on floodwaters could save you or your loved ones in the event of an emergency.

•Do not walk or drive across flood waters.

•Avoid recreational contact with flood waters due to the unknown amount of raw sewage, waste chemicals and the risk of drowning.

•Stay away from floodwaters. If you come upon a flowing stream where water is above your ankles, stop, turn around and go another way. Six inches of swiftly moving water can sweep you off of your feet.

•If you come upon a flooded road while driving, turn around and go another way. Most cars can be swept away by less than two feet of moving water.

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answer; i believe the answer is (polygenic inheritance;