Below 50 meters, the ice now behaves in a ductile manner rather than a brittle manner, meaning it will stretch and fold under stress rather than fracturing.
:D
Producers like plants and algae that make there own food
Speed is an expression of how fast an object moves. An object's speed is the rate of the total distance it travels in a certain amount of time. Units of speed include miles per hour (mph), centimeters per second (cm/sec or cm/s), meters per second (m/sec or m/s), or kilometers per hour (kph or km/hr)