Answer:
Because the Earth has it's own gravity that keeps us put, and we also have the moon.
Explanation:
Simply be used as a reference point <span>to describe its position. a fact forming the basis of an evaluation or assessment; criterion. They had few cultural </span>reference points<span> in common.</span>
Answer:
i think its C hope this is rhight have a good day
Explanation:
There are longitudinal and transverse. Both types of mechanical waves require a medium, transport energy, and have defined wavelengths, frequencies, and speeds.
Differences are that transverse waves oscillate along a direction perpendicular to the direction of travel (like shaking a rope up and down). Longitudinal waves like oscillations along a spring and sound waves, oscillate back and forth along the direction of travel.
Warm air expands and rises up while cold air condenses and sinks.
Hopefully I could help :)
