| 1 | There are technologies to alleviate drought of crops by precipitating rainfall. | |
| 2 | SPECIMENS IN THE SKY From left, a stratocumulus over Southeast Asia; | |
| 3 | It contains rolling green hills and a blue sky with stratocumulus and cirrus clouds. | |
| 4 | These droplets become the nuclei, or "seeds", around which reflexive stratocumulus clouds can form. | |
| 5 | The most widespread of all cloud types, it typically forms in a low layer with a clumpy base. |