Why did scientists have to come up with a way of measuring distance in space?

1.The scientists have to come up with a way of measuring distance in space because the distances in space were too large. Thus option (b) is correct.

2.Light Year is a measure of time.

False. It is a measure of distance. Thus option (b) is correct.

3. The distance that light can travel in a year is  light year. Thus option (b) is correct.

Time is the continued sequence of existence and events that occurs in an apparently irreversible succession from the past, through the present, into the future.

It is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious experience.

Time has long been an important subject of study in religion, philosophy, and science, but defining it in a manner applicable to all fields without circularity has consistently eluded scholars.

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What is a major effect of scarcity in economic behavior? A.It decreases the amount of profit companies can make. B.It provides incentives for creating a command economy. C.It prevents people from getting what they want D.It increases the opportunity cost of economic decisions.