Question
Give any two main functions of stomata.
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Distinguish between xylem and phloem.
Find the distance between a surface and source of sound, if speed of sound is 334m/ s and echo returns from the surface in 1.5s.
| Temperature: | 10°C | 20°C | 40°C | 60°C | 80°C |
| Solubility: | 24g | 37g | 41g | 55g | 66g |