Answer: Train
Since the train is the largest, it has more momentum. Adding the momentum to the speed, gives it the most kinetic energy. After train would come car, then bicycle, then skateboard.
Hope I helped! :)
C: plates slipping along a fault
He three conditions that encourage the presence of marine life in the ocean are proximity to land, water depth and exposure to sunlight.
<span>Exposure to sunlight is important since sunlight promotes the metabolic activities of algae. If we look at the food pyramid for the aquatic ecosystem, the algae is in the lowest and therefore is basic necessity. </span>
44÷22=2 g/cm3 so A is correct answer
