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.
But with this new, larger telescope, Hubble was able to resolve images of the nebulae that showed individual stars. Around 1924, Hubble was looking at the Andromeda nebula and found to his amazement that one of the stars he'd observed wasn't just any star, but a cepheid variable.