Given the balanced equation representing a reaction: 2H2 + O2 -> 2H2O + energy Which type of reaction is represented by this equation?

Consider the story you just read. all but one of the choices below indicate that something is living.

Which of the following molecules is polar? c3h7oh c2h5cooh

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.