Demand curve is the ratio of demand (of whatever) to its price. It indicates the inverse relationship of what's demanded and the price
Answer:
The universe is comprised of more than 75% of materials that are not visible and are often considered to be the dark matter. These are the baryonic matter that is formed due to the accumulation of protons, neutrons as well as electrons. They can be baryonic or non-baryonic type of matter. These dark matters are the substance that interconnects mostly by gravity along with some visible matter such as the stars and planets. These matters do not reflect light and they attract other matters, forming the major mass of the entire universe.
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Yes, Contents these days move a centimeter every year due to seafloor spreading causing a possibility for them to rejoin as a Pangaea one day</h3>
Hope it helped!~