According to grammar rules and most style books, you would hyphenate all compound numbers from twenty-one to ninety-nine. Therefore the correct answer is b, ninety-eight.
Answer:
In 1786, the French chemist Antoine Lavoisier coined a term for the element oxygen (oxygène in French). He used Greek words for the coinage: oxy- means “sharp,” and -gen means “producing.” Oxygen was called the “sharp-producing” element because it was thought to be essential for making acids.
Explanation:
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Answer:
The problems Laurie experiences in his start in kindergarten are rooted in a lack of impulse control. His problems escalate from the first behavior of "being fresh" with the teacher. He hits both teachers and students, is disobedient, yells during quiet time, stamps on the floor, and throws chalk.