Answer:
Briefly ask question please
A planetary nebula is a (ring-shaped) type of nebula formed by an expanding shell of gas around an aging star. *a planetary nebula is a type of nebula*. im not completely certain though. i might be wrong.
Answer:
The correct answer is Choice B.
(The muddy water shows the sediment is being carried from one place to another.)
Explanation:
Hope this helps!
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Answer:a general vote by the electorate on a single political question which has been referred to them for a direct decision.
Explanation:
I think the two sources would be drip irrigation which is like a river, lake, groundwater, etc... The second source could be is making a new irragation system that could deliver water faster.