The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period o f variation is directly related to its
1 answer:
Answer:
absolute brightness
Explanation:
The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its absolute brightness
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because the water erodes the land it touches in the deforms the land
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b- political map
Explanation:
a political map shows the boundaries between countries.
Answer:
The countries once were joined in one piece called Pangaea. Animals lived ON the pate boundaries of Pangaea. The plates then moved apart.
Explanation:
India, Sri Lanka, Afghanistan, Iran, Myanmar, Newfoundland, Regions of Australia, Venezuela, Nepal, Chatham Islands, and the Marquesas Islands.
