There is a grand total of 196 countries in the world. Hope this helped.
The Correct Answer is B
B) Food insecurity will increase.
Ex. The Population Will Increase If The Trend Continues and When The Population Reaches The Dark Shading, Then That's Over Populated and Means People Are Gonna Need More Food To Stay Alive and So The Population Can Keep Growing.
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
Answer:Soviet try attack and try to get the world
Explanation: