Because it allows them to breathe and function.
Colloid- C)
Emulsion- A)
Heterogeneous- D)
Homogeneous- B)
Hope this helps!!
If a car's acceleration is negative, I'd say the car is slowing down.
Answer:
D: All levels contain the same amount of energy
Explanation:
This is due to how the number of animals also increase as the energy pyramid level decreases.
Hope it helps!
13-13= 0, 19-13= 6, so then 0-6= -6