Measuring photosynthesis via the production of oxygen. Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.
Answer: A mutualistic and A a decrease in the number of corals, so buy coral to help the local economy
Explanation:
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Here is your answer:
Your answer is the circulatory system!
The circulatory system connects the veins all around the body so the blood can be transported around the body.
Your answer is Circulatory system!
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I believe it’s A. On the inside of a person’s body.