Decreases? I think.........
The dating technique which was used to establish the age of the volcanic ash at the Laetoli site is: potassium-argon (K/A) dating.
<h3>What is absolute dating?</h3>
Absolute dating can be defined as a radioactive process that is typically used to accurately determine the age of a rock, volcanic ash or fossil, by measuring the decay of the isotopes that is associated with the rock or within the fossils.
Thus, scientists can accurately determine the age of a volcanic ash, rock or fossil by measuring its isotope concentration such as through the use of potassium-argon (K/A) dating.
Read more on dating here: brainly.com/question/20325924
Alexander spread Greek technology and ideas through his empire where people talked and visited from all areas to see what had been done.
My guess would be D. Agriculture.
Answer:
Colonialism.
Explanation:
The empires of Europe i.e. Great Britain, Spain, Portugal, France and to a lesser extent Belguim, Italy, Netherlands & Germany conquered the majority of the world and suppressed native cultures and languages by forcing European ideals and languages on them.
