A ruler will not be needed due to having a graduated cylinder which can help measure the volume of liquids
I would say c would be the best.
Answer:
Oxygen (O2) concerntration
Temperature
pH
Answer:
Secondary succession, type of ecological succession the evolution of a biological community's ecological structure in which plants and animals recolonize a habitat after a major disturbance—such as a devastating flood, wildfire, landslide, lava flow, or human activity
Explanation:
:)
