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A chemical element is a chemical substance whose atoms all have the same number of protons.The number of protons is called the atomic number of that element. For example, oxygen has an atomic number of 8, meaning each oxygen atom has 8 protons in its nucleus.
[5] [6] After almost two years of road testing, the project was revealed in October 2010. [7] [8] [9] In fall 2015, Google provided "the world's first fully driverless ride on public roads". [10] In December 2016, the project was renamed Waymo and spun out of Google as part of Alphabet. [11]
The global market for botulinum toxin products, driven by their cosmetic applications, was forecast to reach $2.9 billion by 2018. The facial aesthetics market, of which they are a component, was forecast to reach $4.7 billion ($2 billion in the US) in the same timeframe. [120]