La aparición del oxígeno en la atmósfera ha sido explicada bajo la teoría de la participación de bacterias que lo liberaban junto a hidrocarburos simples, lo que se puede representar mediante la ecuación: CO2(g) + H2O(g)⇒ CH2O(g) + O2 (g) De la información que se puede obtener de esta ecuación, por cada 1 mol de H2O, ¿cuántos moles de CH2O se obtienen? * 4
3
2
1

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.

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Acovalent bond is formed between the two hydrogen bonds