What is the difference between aerobic and anaerobic conditions?​

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

What is the next step in muscle contraction after the actin changes shape? (apex)

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite