4. Read the following sentence: "Chemistry is very complicated because there are so many different combinations."
The word complicated means
A. simple and basic
B. difficult to understand
C. fun and exciting
D. able to be learned easily

Which sentence from exploring the titanic best indicates the author’s enthusiastic tone at the end of the passage? now, finally, i went to my bunk to get some sleep. when i awoke, it was nighttime, and the good ship knorr was steaming quietly and steadily to our home. they had paid a big price over the years during my long months away from home, but they’d never once complained. as we came into port, i couldn’t believe my eyes.

Plz ! i genetic mutation occurs in a rabbits muscle cell this genetic mutation will be passed on to, a. the existing cells in the rabbits body. b. the cells that are next to the mutant muscle cell. c. cells that are produced when the mutant cell divides. d. the cells of the rabbits offspring.

In the story “seventh grade,” victor’s and michael’s hopes and expectations about girls often cause them to a.act in embarrassing ways. b.get into trouble at school. c.struggle with friendships. d.do poorly in their classes.