Adverse reserve means hold reverse means backwards observer means watch
It means that you are essentially a historian. You look at the past to figure out things, that way people can lake the future better.
Answer: before
Explanation: A subordinating conjunction is a word or phrase that links a dependent clause to an independent clause. Subordinating conjunctions are conjunctions that are used at the beginning of subordinate clauses. Some examples of these conjunctions are; although, after, before, because, how, if, once, since, so that, until, unless, when etc.
Explanation:
having a lot of knowledge.
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Answer:
-They don't live forever, but slowly evaporate returning their energy to the universe.
-Black holes can have the mass of several million suns.
-Black holes differ from each other in mass and their spin. Other than that, they are all very similar.
-The center of a black hole, where all its mass resides, is a point called a singularity.
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