A. FeS2 → SO2 → SO3 + H2SO4 → NaHSO4 → Na2SO4 → Na b. H2S →SSO2 Na2SO3 → Na2SO4 > BaSO4.
c. S + H2S → H2SO4 FeSO4 Fe2(SO4)3.
d. MnO2 + Cl2 FeCl3 Fe(OH)3 FeCl3 + AgCl.
e. I2 + KI KBr Br2 → NaBr + NaCl Cl2.

this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

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monitor contract compliance and results of forestry activities to assure adherence to government regulations.  

plan and supervise forestry projects, such as determining the type, number and placement of trees to be planted, managing tree nurseries, thinning forest and monitoring growth of new seedlings.  

establish short- and long-term plans for management of forest lands and forest resources.  

determine methods of cutting and removing timber with minimum waste and environmental damage.  

supervise activities of other forestry workers.

by the way there is no video here.