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.
<span>... many people have little regard for their effect on the environment and will do whatever they can to make money. If there are fewer fish available in coastal waters, they'll go wherever they can find fish.</span>
The answer is magnetic reversal
i just g00gled it and it was right
1. pharynx
2. bronchial tube
3. pleura
4. nasal cavity
5. mouth
6. larynx
7. trachea
8. diaphragm