The Moon appears to change shape because we see different amounts of the lit part as the Moon orbits Earth. From Earth's perspective, we see varying amounts of the illuminated part of the Moon.
More carbon dioxide is stored in the ocean water, making it more acidic, which is dangerous for most corals and many animals with small niches
A. Eclipses only occur during full and new moons.
Wind erosion is the main cause. And since it is the desert that wind can pick up tiny sand rock particles that slowly grind against the rock. Over time the erosion will give a jagged rock the smooth features as if it had been submerged in a river for the roughly same period of time.
I believe your answer would be places. Because a grid system makes it easier to find a location on a map. Hope this helps!
