according to data from the u s in 2008 people are consuming over 60 pounds 28 kg of added sugar per year and this does not include fruit juices 1 in 2008 the average intake was 76 7 grams per day which equals 19 teaspoons or 306 calories
Lesson Summary. Scientists had noticed that the coastlines of the continents had complementary shapes and could fit together. Alfred Wegener was the first person to propose that all the continents were once connected together in a supercontinent, known as Pangaea.
Click to see an illustration of how it is theorized that Pangea was formed. Mechanisms of Surface Change Volcanism is the eruption of molten materials from a planet's interior onto its surface. On the Earth, the asthenosphere contains pockets of partly melted materials, as indicated by seismic wave analysis.