Water, wind, gravity, and ice because they wear away or break up rocks, sediments, and soil from the Earth's surface.
Answer:
<h2>a) It is seasonal</h2><h2 /><h2><u><em>
hope it helps</em></u></h2>
A nebula is an enormous cloud of dust and gas occupying the space between stars and acting as a nursery for new stars. The roots of the word come from Latin nebula, which means a “mist, vapor, fog, smoke, exhalation.” Nebulae are made up of dust, basic elements such as hydrogen and other ionized gases.
