Which of the following statements is correct? Air is a mixture and table salt is a compound
Table salt is a mixture and carbon is a compound.
Carbon is a mixture and air is a compound.
Air is a mixture and carbon is a compound

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.