WHAT'S TRUE. Excessive consumption of spicy snack foods (such as Takis brand corn chips) can lead to stomach pains and gastritis in children. WHAT'S FALSE. Evidence that moderate consumption of such snacks by children carries a significant risk of ulcers or cancer is lacking.
Uranium and the majority of the other heavy elementsâ¦ are formed by stellar nucleosynthesis in novas and supernovas. Heavy elements from the various sources in our galaxy combined with the mass of hydrogen that was the beginning of the formation our solar system around five billion years ago.
Rocks that contain a lot of uranium are called uranium ore, or pitch-blende. Uranium, although abundant, is a nonrenewable energy source.Three isotopes of uranium are found in nature, uranium-234, uranium-235, and uranium-238. These numbers refer to the number of neutrons and protons in each atom.