Which tense is the word, "them" in?

Choose the letter of the sentence in which the word is incorrect. however good the intentions, ethenasia is extremely controversial. the lawyers strong statement supporting euthanasia won the sympathy of the jury. her euthanasia for sailing led to a year long yachting trip.

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.

Look at this photograph of a klondike gold rush camp. what would you find challenging about being in this type of environment? check all that apply. the extreme cold the steep climbs over the mountain the thick covering of snow the cramped living conditions the harsh winds