Answer:
B
Explanation:
The structure of the mitochondrion is key to the process of aerobic (in the presence of oxygen) cellular respiration, especially the Krebs cycle and electron transport.
Photosynthesis takes place in B. In chloroplasts because that's where the plant's green color is produced.
When your out of breath or when your heart rate is really high.
Answer:
speed = distance/ time= 45/3 = 15miles per hour
Explanation: