Which statement best describes the reactants and products of photosynthesis and cellular respiration

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

Creating new things to solve problems and improve life depends on the close interaction of which two fields?