Choose the sentence that is written in proper parallel structure. the gardener is clean, eager, and a hard worker. the gardener is clean, eager, and working hard. the gardener is clean, eager, and hard-working. none of the above

Based on this excerpt from "stopping by woods on a snowy evening" by robert frost, which statement best summarizes a theme in the poem? the woods are lovely dark and deep but i have promises to keep and miles to go before i sleep and miles to go before i sleep

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were a 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.

What is a mechanism by which organisms maintain homeostasis when the level of one substance influences the level of another substance or the activity of an organ.