Which sentence uses commas correctly?
a. we grow lettuce in a backyard garden but, we buy most of our vegetables at the grocery store.
b. some city dwellers grow vegetables in community gardens, and they use no pesticides or chemicals.
c. our friends have a big garden, and, they give away or preserve the vegetables they can't eat.
d. many deer and rabbits live in the woods nearby and sometimes they eat the vegetables in our garden.

17. read the email below and identify four areas of improvement your supervisor has written about having with the staff. next, create one recommendation for each area of improvement. (hint: refer to your textbook for recommendation ideas.) areas of improvement recommendations a. type answer here e. type answer here b. type answer here f. type answer here c. type answer here g. type answer here d. type answer here h. type answer here

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:

Read the excerpt from "save the redwoods."another, one of the finest in the grove, more than three hundred feet high, was skinned alive to a height of one hundred and sixteen feet from the ground and the bark sent to london to show how fine and big that calaveras tree was—as sensible a scheme as skinning our great men would be to prove their greatness.which  best  describes how the excerpt appeals to readers’ emotions? the excerpt provides facts about the tree, which impresses readers’ scientific minds.the excerpt describes how the tree traveled to london, which excites the readers’ sense of adventure.the excerpt compares the tree to a person, which makes readers feel sympathetic toward the tree.the excerpt explains how to skin a tree, which makes readers feel awed at the height of the tree.