Explain theory of relativity?​

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

Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap

Define the terms moral development and moral reasoning.