Mutations have an important role in how species change over time.
1. constant speed is a steady speed from start to finish, instantaneous is not constant from start to finish.
2. The average speed of the marble is 5 m/s (meters per second).
3. Rider 1 will arrive at the destination before Rider 2.
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Answer:
Inside a star there is force of gravity balanced by the outward force of pressure. The star nuclear reactions are kept under control by a pressure temperature thermostat.
Explanation:
The answer is a low-density particle
