Which fat is most likely a solid at room temperature

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

Which layer will become saturated first when rain falls?