I think this is the correct answer, but let me know if it is incorrect. People were having more children per family.
Earth's magnetic field was reversed than today's magnetic field, 65 million years ago.
Answer: reversed
<u>Explanation:</u>
The present North and South pole on the geographical region above Earth crust is opposite beneath the same as North to be South and South to be North pole. Before 65 million years, Earth polarity was same beneath as currently above Earth's crust. It reversed and the Earth faced the mass extinction.
The magnetic field of the Earth was opposite to what it is found today, 65 million years ago, which is considered to be the time for mass extinction. It has been found that the magnetic field which consist of polarity as north and south is opposite to be what is found on the geographical land to the one found below the Earth surface.
Johannes Gutenberg often gets credit as the father of printing.
PROCESS THAT HE INVENTED :-
Using the typesetting technologies of Asia, a modified oil-based ink and a design built on the olive and grape screw-type presses used by farmers across Europe, Gutenberg developed his famous printing press.
IMPACT ON THE SOCIETY :-
<em>The</em><em> </em><em>impact</em><em> </em><em>of</em><em> </em><em>it</em><em> </em><em>was</em><em> </em><em>immeasurable</em><em>.</em><em>I</em><em>t</em><em> </em><em>caused</em><em> </em><em>a</em><em> </em><em>great</em><em> </em><em>dramatic</em><em> </em><em>social</em><em> </em><em>and</em><em> </em><em>cultural</em><em> </em><em>revolution</em><em>.</em>
<em>The</em><em> </em><em>sudden</em><em> </em><em>widespread</em><em> </em><em>of</em><em> </em><em>books</em><em> </em><em>between</em><em> </em><em>the</em><em> </em><em>people</em><em> </em><em>in</em><em> </em><em>Europe</em><em>.</em>
Hope it helps!
<h3>From - Charminglex ^_^</h3>
<span>The Torah first 5 books of the bible.</span>