Answer:
Explanation:
Cells start undergoing anaerobic respiration when energy requirement is high and there is not sufficient availability of oxygen to produce required energy .
For example , when we we run fast , energy requirement by muscle cell is high but available oxygen level is not sufficient so cells start anaerobic respiration which produces lactic acid and this product creates tire-ness.
For normal respiration , oxygen is required . If there is lack of oxygen , aerobic respiration is not possible .
In yeast cells , alcohol is produced by anaerobic respiration. Alcohol is not harmful . In muscle cells , lactic acid is produced which is harmful .
Explanation:
its typically cold and frosty
Matter Isn't Lost in Photosynthesis
Matter is conserved in this chemical change. Animals in and around the stream eat these plants. Their bodies use the stored chemical energy to power their cells and move around.
The blue triangles mean a cold front
