What’s the tense in this sentence? shawn bought a new watch recently.

How were computers in the 1950s and 1960s different from computers of today? they were much smaller. they were much faster. they cost less money they were bigger and slower.

Which statement best explains how the setting affects the meaning of the story? a. the water and wave motif conveys the queasy feeling the narrator has when walking alone at night. b. the firefly light conveys a feeling of nostalgia for long summer evenings spent with family. c. the phrase whispering and murmurs" suggests that the main character has fits of madness. d. the comparison of the street to a graveyard suggests that something is terribly wrong with society.

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: