Biology, asked by harmeet55, 1 year ago

all practice based question class 9 from chapter 5,6,7,13,14,15​

Answers

Answered by lokesh853
0

Explanation:

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. ... You can then investigate the amount of gas produced at different distances

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