I might be wrong but I think C ( what the wave it traveling through). I think C because a wave medium is the substance that carries a wave (or disturbance) from one location to another. The wave medium is not the wave itself and it doesn’t make the wave. It just Carries or transports the wave from its source to other locations.
Answer:
B
Explanation:
XX is female they produce eggs. XY is male. they produce sperm
Answer: <u>Sinks towards the outer core
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Explanation: The material which is less dense, means it is lighter in weight. Such substances tend to move more towards the crust of the Earth, whereas the heavier substances like iron, is more towards the core or centre of the Earth. This is because heavier substances tend to sink deeper. That’s why the light elements are found in the crust section of the Earth.
Answer:
they do not evolve, they are birds
Explanation:
Answer:
Quick answer: Cold front
Explanation:
Cold fronts are less likely to be humid and carry rain clouds. Hope this can help you!