1. which biome has a large canopy? 2. which biome contains mostly deciduous trees? 3. which biome is also known as a prairie? 4. which biome has cold, dark winters, and sunny cool summers?

Kinetic energy = 1/2mv^2. since the mass is constant we can form a ratio of it's kinetic energy at 60 divided by that at 30 to see ke(60)/ke(30) = +(60^2)/30^2). this may be said to 300% increase.