Answer:
a)It shows that a lunar eclipse occurs when the earth cast a shadow over the moon
Explanation:
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Your question: A light-year equals?
Your answer: A light-year equals 9.4607 ` 1012km.
The answer is option A.
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GDP, which we use right now, to see how many people have jobs, at what income, to decide how good the economy is. We could possibly use population density, as poorer countries/less developed countries tend to be more dense all around. Mainly economic things though, so GDP, income per capita. We use life expectancy, rate of literacy, freedom index..hope this helps
A structure separating land and water areas. It is designed to prevent coastal erosion and other damage due to wave action and storm surge, such as flooding
Answer:
"Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles (neutrons or protons). ... The extreme astrophysical event of a supernova can produce enough energy to fuse nuclei into elements heavier than iron."
Explanation:
