This is known as the visible spectrum of electromagnetic radiation, or visible light. This is the frequency of light that we see, and which illuminates our world as it reflects off of objects. Compared to the full spectrum of electromagnetic radiation, the visible light portion is actually quite small.
Similar fossils found on different continents helped geologists determine how the continents used to be connected. Mountain belts marked the boundaries of moving plates, which showed in which direction the different continents drifted. Extrapolating from this information, scientists had a rough idea of how the continents were arranged eons ago.
This is a true statement because such things are found on data maps. Usually, lakes, oceans, rivers, or any other type of water, are indicated with shades of blue to show the depth. The greater the depth the darker the blue will be.
i did some research but i could not find the answer deeply sorry