Question

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Answer 1

Answer:

Answer in one sentence

1. Ecosystem is a biological community of interacting organisms and their physical environment.
2. Acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air.
3. Germination is the development of a plant from a seed or spore after a period of dormancy.
4. Electron transfer chain occurs in mitochondria in both cellular respiration and photosynthesis.

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Answer 2

Answer:

1. Ecosystem is a Geographic plant where plant , animals and other organisms as well as weather and landscape work together to form a bubble of life.

2. acid rain caused by the release of SO2 and NO2 released from emission of vehicle and combustion of fuels this gases dissolve in rain water to form nitrate acid and sulphate.

3. in simple words germination can be define as a growth of seed into a young plant or a seedlings.

4. in mitochondria.

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