C, they could work together to make things from the top down.
Answer:
The answer to this would be communicating.
Explanation:
A scientist would be communicating to his or her fellow colleagues and sharing to them his or her idea.
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Speed of light is 3.0*10^8
frequency = wavelength / speed
= 1400 Hz
C) by adding lava.
Heat, gasses and water vapour do not create land. Lava can solidify, become a rock,which can become new lan