It’s A the immune system & lymphatic Hope this helps!
The answer is B.
If you put one plant in wet soil, and one plant in dry soil, you can prove or disprove your hypothesis as the plants grow.
Answer:
In wells Scientist measure dissolved oxygen, or DO (pronounced dee-oh).
The two main types of fermentation are alcoholic fermentation and lactic acid fermentation. In an alcoholic fermentation, the main product of this process is ethyl alcohol. Lactic acid on the other hand has lactic acid as its main product. When muscle cells run out of oxygen, lactic acid fermentation would commonly take place.<span> </span>
energy is lost at each level of consumption so it’s simply not efficient to be a 5th + level consumer