Calculate the weighted atomic mass for an element with two naturally occurring isotopes with the following masses and natural abundances X-45 X-47 44.8776 amu 32.88% 46.9443 amu 67.12% 46.26 46.2648 amu 45.91 amu 45.9110 amu

lithosphere and asthenosphere

a polar bond is formed when electrons are shared unevenly between atoms

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them