Ths answer would be C mushrooms and yeast.
Answer:
The answer is "The temperature of the water."
Explanation:
Because he is trying figure out if the temperature affects how the crayfish lives
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen
Explanation:
Answer:
Density = Mass/Volume
Density = 216cm3/64g
Density = 3.375 g/cm3
Let me know if this helps!