Answer:
Lactic acid fermentation.
Explanation:
Lactic acid fermentation is responsible for the production of lactic acid. During intense activity, there is an excess of lactic acid fermentation that leads to high lactic acid concentrations, which in high quantities is toxic and causes soreness in the muscles after intense exercise.
Quartz
Soft and the one with weird air holes
Answer:
C
Explanation:
Animals need food to survive and if they cant reach it, they will die and the other taller can reach the food and the weaker die off and the stronger, and taller will grow to pass it traits to others. hope this helps :)
Somewhat met in the nature