L-serine (l-ser) is an amino acid important for its roles in synthesizing other amino acids and for its use in intravenous feeding solutions. it is often synthesized commercially by fermentation, recovered by subjecting the fermentation broth to several processing steps, and then crystallizing the serine from an aqueous solution. the solubility x (in mg/l) of l-serine in water have been measured at several temperatures, producing the following data.

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

16- counting by fours