Trilobites were rapidly evolving and widespread marine organisms that spanned a number of geologic time periods. Certain types of trilobites only appeared in specific segments of geologic time; therefore, when one of these trilobites is found, you can be certain that the rock layer it is found in is of a certain geologic age.
The correct answer is letter D.
Explanation:
The main reason that seems to define such a different situation between Spartans and other women of that time that the men of Sparta were so busy with the army that they themselves were responsible for agriculture, logistics, economics, and home maintenance.
Answer:
What is this suppose to mean... What r the regions to chose from.
Explanation:
Some innovations of the Indus Valley civilisation are:
--Developed many new methods of handicrafts, carving intricate designs out of many types of stones and gems like carnelian
--Made things out of metals like copper bronze lead and tin (metallurgy)
--Had very well planned cities and towns
--Had very good drainage and water supply systems
--Had many non-residential buildings (not houses) like schools, etc.
--Invented the buttons and the ruler
