It should be noted that best answer to both the flatness and horizon problems is inflationary epoch.
The inflationary epoch van be regarded as the period in the evolution of the early universe, at this period there was an expansion.
According to inflation theory, the earth were recorded to experience great horizon problems and exponential expansion.
Therefore, inflationary epoch brings about both flatness and horizon problems
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Contact lists contain more information about a person than an address book. A contact list is a collection of screen names in an instant messaging or e-mail program or online game or mobile phone. a address book is a book for recording the names, addresses, and telephone numbers of friends, businesses.
A service plate or a charger plate.
A.
Low credit scores usually indicate irresponsible spending behaviors.
I’m not sure about the first one (my best guess is B.) but the second one is A.