Explanation:
Determining a substance's physical or chemical identity. What are the two main requirements for identification? The adoption of testing procedures that give characteristic results for specific standard materials and the number and type of tests needed to identify a substance to exclude all other substances.
Answer:
A) The products of photosynthesis are the reactants of cellular
respiration.
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose, so that cellular respiration converts oxygen and glucose into water and carbon dioxide.
Answer:
Doppler Red-Shift Evidence
Explanation:
The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a “bang” occurs all of the matter moves away from the point of origin.
