Answer:
C: A solid metal ball in the middle of a pool of liquid.
Explanation:
Since the student is studying the earth, the core area is made up of a solid metal ball in the middle of a pool of a liquid.
- The core is the inner most part of the earth.
- It exists in the middle of the earth.
- The core is divide into two layers; inner core and outer core.
- The inner core is a solid ball of metal.
- The outer core is a liquid metal under high temperature and pressure.
More people means an increased demand for food, water, housing, energy, healthcare, transportation, and more. And all that consumption contributes to ecological degradation, increased conflicts, and a higher risk of large-scale disasters like pandemics.
They are known as polar molecules. For example, water has regions varying in electric charge. Therefore, its one end is positively charged, and another end is negatively charged.
Answer:
Once anaerobic respiration takes place, are the effects permanent? Why or
why not?
Explanation:
Muscle fatigue occurs when continuous and excessive muscle activity causes the switch from aerobic respiration to anaerobic respiration. This switch happens because the oxygen supply the the cells has been reduced.
Hope that helped.
