PLEASE ANSWE

Sound waves and light waves behave differently in different materials. How are sound waves different from light waves?

A. Sound waves cannot travel through a vacuum.
B. Only sound waves can pass through a material.
C. Light waves cannot travel through a vacuum.
D. Only light waves can pass through a material.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

How many miles of water are produced if 5.43 mol pbo2 are consumed