Choose all pairs of organisms that compete with one another for a food source

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?

Which of the following is a good strategy when it comes to desserts