Answer:
Yes
Explanation:
When all biotic organisms of food chain are represented on different trophic levels we would realise that the number of trophic levels in an ecosystem could be limited to four, rarely five.
Answer:
C
Explanation:
The acid in our stomach is made up of potassium chloride, sodium chloride, and hydrochloric acid and is really strong so it can eat through the food we eat faster, and our blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45.
Answer:
Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. ... When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released.
Explanation:
