‘my only love sprung from my only hate! too early seen unknown, and known too late! prodigious birth of love it is to me that i must love a loathed enemy.' meaning

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.

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.

He picture shows a fishing technique called trawling. how might trawling affect marine biodiversity? decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed