Drag the tiles to the correct boxes to complete the pairs. Before the presence of living organisms, Earth was a very different place. Match each fact about Precambrian Earth to the sphere most affected by it.

Tiles:
- Cyanobacteria began to emerge as a life-form.
- Oceans contained far less salt than they do today.
- Oxygen spilled into this sphere from ocean waters.
- Oxidation in rocks and minerals was not possible.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

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answer; three;