1) What is waste in nature? a) A new plant growing b) Something unused or harmful to an ecosystem c) A type of animal 2) What is the main subject of ecology? a) How rocks are formed b) How living things and their surroundings interact c) How planets move in space 3) How can we describe a person's natural environment? a) Everything that surrounds them in nature b) The job they have c) How they interact with other people 4) What is a key function of healthy soil? a) It floats on water. b) It reflects sunlight. c) It helps plants to grow. 5) Why are natural resources important? a) They are things we throw away. b) They are useful materials that we need to live. c) They are only found in space.

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