Big Bang theory<span> says that our </span>universe began<span> 13.7 billion years </span><span>ago</span>
The answer would be crystals
Plants grow on there stem and roots
The correct answer is - Watershed.
The drainage basis are places in which all the water in an area is accumulated and ends up in the same place. The drainage systems are divided by highlands, which can vary from small hills to very high mountains, depending on the topography of the place.
The line on the highland that is separating the drainage systems is called watershed. The watershed is simply a line stretching on the highest parts of a highland, thus having a slope on each side.
C, an enormous road building project
