Directions: Write O if it is about observing and C if classifying. 1. The sky is clear and the clouds are white. 2. The ball is bouncing up and down. 3. Putting plastic cup and tissue in non-biodegradable trash bin while banana peel and leaves in biodegradable trash bin. 4. Put all the ripe mangoes in the red basket and the green ones in the yellow basket. 5. The smell of sampaguita flowers are fragrant.