Qué tipo de reacción representa la
siguiente ecuación, Mg + H2SO4 →
MgSO4+H2*
O
(A) Sustitución simple
(B) Síntesis
(C) Sustitución de doble desplazamiento
(D) Descomposición

¿Cuál de las siguientes ecuaciones
cumple con la ley de conservación
de la masa? *
(A) N2 + 3H2 + NH3
(B) 2A1 + O2 → A1,03
(C) 2A1 + 2HCl → 2AICI + H2
O
(D) CH + 0,— CO2 + H20

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

What is the only part of your body called that should touch the ball when setting in volleyball?

Which of the following viruses would most likely have reverse transcriptase? a) an rna-based lytic virusb) an rna-based lysogenic virusc) a dna-based lytic virusd) a dna-based lysogenic virus