<span>well i take this test before and the correct answer is :A They produce food by photosynthesis</span>
Answer:
The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
Explanation:
Large crystals indicate that it cooled very quickly. If it cooled slowly, it would have time to settle down and make a nice smooth rock.
C. Two atoms come together to form a molecule.