The focusing of conscious awareness on a particular stimulus, as in the cocktail party effect (ability to attend selectively to only one voice among many). thats the answer
The earth weigh is 5.972 × 10^24 kg
Natural Mating is the natural way to mate or have intercourse.
The columbian affected China by the trade of silver that ended up making silver the currency in some places. In early 1570s, the Ming chinese government. Changed that all domestic taxes and trade fees must be paid in silver rather than gold and copper.
End Ordovician, 444 million years ago, 86% of species lost
— Graptolite 2-3 cm length
