Mata water the Field
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The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

Find the value of 'a' and 'b' angle xqr is 180

Brainliest answer stuckkk, what is contested & accepted usage and can i have an example and explain . also accepted usage examples for the following: accepted disinterested presently