Answer:False
Explanation:
They did have a system of writing called cuneiform.
The answer to this is Theory (not hypothesis as some may say)
An example of low order explosive as described used to light up an area, communicate or make noises is; Flash powder.
<h3>What are Low order explosives?</h3>
A low explosive as the name implies is a material that has an explosion velocity less than 1000 m/s. A low order explosion is characterized as an explosive event where the blast pressure front moves slowly, displacing or heaving as opposed to shattering objects in its path.
An example is the Flash powder.
Read more on low explosives;
brainly.com/question/14891420
