Once the concentration of the common ion is increased: Select the correct answer below: the solubility of the ionic solid increases the solubility of the ionic solid decreases the solubility of the common ion increases

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.