Based on this excerpt, what evidence does the author give to support the idea that space is four-dimensional?
A Black holes can be explained only if time is a separate dimension.
B Light energy must pass through a fourth dimension to travel at the rate it does.
C Time must bend with space to give light a channel to pass through at a constant speed.
D Four dimensions are necessary to explain the complex makeup of space.
The correct answer is D: Four dimensions are necessary to explain the complex makeup of space.
Explanation: The author is suggesting that to fully understand the intricate nature of space—how it interacts with physical phenomena and concepts like time and gravity—one must consider an additional dimension beyond the traditional three dimensions of length, width, and height. This hints at the necessity of a four-dimensional framework to encompass all factors involved in spatial dynamics. If you have more questions or need a deeper explanation, feel free to ask!