W va

What is the main source of energy for the Earth?

Which of these is a renewable resource?

What do we call the movement of water from the surface of the Earth to the atmosphere?

Which of the following is not a habitat?

What is the importance of trees in our environment?

Which of the following is an example of a food chain?

What is soil made up of?

Which animal is known for living in a colony?

What is the role of decomposers in the ecosystem?

Which of the following is an example of a non-renewable resource?