Read this excerpt from A Black Hole Is NOT a Hole. In the 1930s a telephone-company engineer named Karl Jansky was trying to track down the cause of hissing static in phone lines when he discovered something strange. Radio energy from outer space was interfering with the phone signals. After learning about Janksy's discovery, a radio engineer named Grote Reber decided to investigate.
The connection between Karl Jansky and Grote Reber in the excerpt shows that

A. both men were interested in telephone static.
B. Grote Reber was Karl Jansky’s student.
C. Karl Jansky influenced Grote Reber’s work.
D. both men were searching for black holes.

Drag the tiles to the boxes to form correct pairs. david sedaris's essay "our perfect summer" appeared in the june 16, 2003, issue of the new yorker. match each element of sedaris's essay to an element of a narrative essay. tiles time setting plot geographical setting conflict characters pairs the writer and his mother had always talked about the family buying a second home like the rich people they knew. the writer grew up in raleigh, north carolina, and his emerald isle in the summers.

Select the correct answers. what does this passage reveal about eric and garrett? the biggest race on the warm-up field, eric went through his usual routine of stretching so he’d be fully prepared for the race. in what seemed like just a couple of minutes, he heard the announcer. “all 400-meter runners, make your way to your starting lanes.” as eric got into position, another runner named garrett taunted him. “you do know there’s no way you’re going to beat the speed of speed, don’t you? ” he said with a chuckle. eric pretended he didn’t hear garrett and cleared his mind of everything. the announcer yelled, “runners, take your mark, get set! ” as the starting gun sounded, eric took off with the rest of the runners. garrett immediately sprinted ahead of the pack, but eric hung back and kept a close eye on garrett. as they turned the last corner and headed down the straightaway, eric stayed focused and picked up his pace. soon he was running right beside garrett. just a few yards from the finish line, eric made a strong push. he crossed the finish line just a few feet ahead of garrett. a. garrett and eric are both overconfident about their speed. b. garrett likes to boast about himself, while eric is more modest. c. eric is focused, whereas garrett is distracted. d. eric believes in warming up, while garrett prefers to sprint.

Context clues can be definitions, examples, synonyms, or antonyms. the word root can give you an idea of the word’s meaning. affixes can you determine the word’s form and meaning. use the drop-down menus to identify the root in each difficult word. automatic: gratify: untenable: