Human activities
The extinction is still happening right now and is called the holocene extinction
Answer:
modern history began in the 16th century, and we are in the 21st
so that is about 5,000 years
Explanation:
Basalt,It Also Makes Up A Large Component Of Earth & Moon Rocks,Forming From Solidified Lava,& Is Made Up Of The Minerals Pyroxene & Plagioclase Fieldspar,Sometimes With A Bit Of Olvine.
By issuing the Declaration of Independence<span>, adopted by the Continental Congress on July 4, 1776, the 13 American colonies severed their political connections to Great Britain. The </span>Declaration<span> summarized the colonists' motivations for seeking</span>independence<span>.</span>
False, sources of salt water are ocean, sea water, <span>Some of the ocean's salts have been dissolved from rocks and sediments below the sea floor</span>Others have escaped from the Earth's crust through volcanic vents as solid and gaseous materials.
