I believe the correct answer would be the last option. After Frida stops exercising, it caused her body to be lack of oxygen that is why she breathes heavily to take in more oxygen from air. Also, with this, lactate is being transported to the liver. The lactate is a result of the anaerobic respiration.
Answer:
1.3
the..... are only found in animal cells
Answer:
How the landscape changed over time
Explanation:
The first organism in a food chain is always an autotroph. They are producers.