Answer:
Claims are, almost by definition, controversial, in the sense that not everyone agrees with them, that is why we use evidence to support a claim and to show that we are right/correct.
Explanation:
Hope this helps ^-^
Answer:
about 4.6 billion years old. Scientists measure its age by using radioactive decay of isotopes found in meteorites and rocks. The Potassium and Uranium isotopes were formed at the same time as the solar system. The inference is that the age of the rocks and meteorites, is the age of the solar system.
Adding -s is the most common. for example: books, cups, pencils, etc. -es might have been the one that confused you, but that isn't a super common ending for plurals--instead, a more common one would be "-ies" which is when you drop the y (berry becomes berries, for example).
I don’t know what book your talking about.
