What is the independent clause in this sentence before the nylon-bristled toothbrush was invented in 1938, toothbrush were commonly made from the coarse hairs on the back of a hog's neck.

Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea:

Which statement is the most accurate summary of this excerpt from leo tolstoy’s the death of ivan ilyich?

Write short answers to a series of questions about elie wiesel's "the perils of indifference." you'll reference the speech directly to describe how its language and structure contribute to its tone, purpose. and overall meaning.