It can be all of them beneficial neutral & organism
Answer: Water Particles!
Explanation: You are correct! Water particles help the sound waves to travel back and forth.
Elements in the same group tend to have very similar properties (D). This is due to the number of valence electrons each group has.
The answer is Desert. The <span>biomes that likely has the thinnest layer of topsoil is the Desert. </span>The topsoil is a very important layer of soil because on this <span>layer of soil, plants are nourished. The topsoil have to be healthy to grow plants on it. It contains humus, bacteria, fungi, insects and worms.</span><span> But you can hardly find these in the Desert.</span>