Across
- 3. Many species die out quickly worldwide.
- 5. A chemical or natural substance added to soil or land to increase its fertility.
- 8. A pigment that gives plants their green color,
- 9. Plants absorb sunlight and turn that energy into food
- 10. Soft, partially melted snow or ice.
Down
- 1. The tiny openings present on the epidermis of leaves.
- 2. Bright streaks made when meteoroids burn in the sky.
- 4. Small space rocks moving toward Earth.
- 6. Space rocks that reach Earth’s surface.
- 7. Produce or provide (a natural, agricultural, or industrial product).