The mass of a star can be determined by studying D) binary star systems.
Although there may be other ways to determine the mass of a star, this is the most common one which is widely used all over the world when it comes to measuring objects in the universe.
Answer:
YES
Explanation:
A RULER HAS TWO ENDS THAT'S WHY IF YOU HOLD IT ON BOTH SIDES YOU CAN FEEL THE ENDS OF THE RULER PUSHING AGAINST YOU HANDS
Answer:
Exocytosis
Explanation:
Exocytosis is the process that allows cells to be able to remove large amounts of material in and out of themselves.
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