What does the moon orbit, and why does it have phases?

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

What sort of waves exhibit the doppler effect?

Explain what will happen if decomposers were apsent from a forest ecoysystem.