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.
Svante Arrhenius (1859-1927) was a Swedish scientist that was the first to claim in 1896 that fossil fuel combustion may eventually result in enhanced global warming. He proposed a relation between atmospheric carbon dioxide concentrations and temperature.