: With the deposit of rocks, the collision between plates, the erosion of wind and rain, high mountains, cliffs and other various landforms appear on the earth. The beauty of life beings on the earth shocks us all the time. The high adaptation to the earth's environment allows plants to grow amazingly. The giant sequoias can grow up to 80 meters high and the flowers of the orchid look like the bees; the pressure produced from the plant growth can produce cracks to the concrete.
: Why do cars have gears? What makes a Rocket fly? Answer your children’s Hows, Whys, Whats and Whens about technology with this unique amazing questions and answers volume.