Can anyone explain to me what does the little “s” means at the end : / . btw it’s an easy question

If you are referring to section 2, I believe that the “s” stands for picoseconds. Hope this helps.

False because saturated fatty acids contain only single bond

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.