Scientists<span> can tell by observing the seismic waves that are recorded all over the surface of the </span>earth<span> from distant earthquakes. The seismic waves are reflected (bounced off) </span>layers<span> of different density, and they are refracted (bent) when they enter </span>layers<span> of different density.</span>
Answer: The earth's spin axis is tilted with respect to its orbital plane.
Explanation:
This is what causes the seasons. When the earth's axis points towards the sun, it is summer for that hemisphere. When the earth's axis points away, winter can be expected.
<span>Supposedly at Jamestown but there are lots of theories about Norsemen (Vikings) travelling there in the 9th and 10th centuries and establishing settlements in Nova Scotia
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Answer:
killer whale
Explanation:
the killer whale is the only thing that wasn't eaten by something else, so it isn't prey
