Answer:
nitrogen fixing bacteria
Explanation:
These bacteria made the nitrogen suitable for plant use.
Both indicate the temperature at which the solid and liquid states of a substance are in equilibrium would be your answer.
This is beacause the melting point of a substance is the same as the freezing point of a substance. At this particular temp, the substance can be either a solid or a liquid.
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A Pangaea <span>is the name for continents in one landmass surrounded by gigantic ocean.
Good luck with your studies, I hope this helps!</span>
