Question
What is apical meristem?
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Explain how sieve tubes manage to be living?

$_8\text{C}^{16},_6\text{C}^{14},_7\text{N}^{14},_8\text{O}^{18},_7\text{N}^{16}$
Give two practical applications of reflection of sound waves.
A boy weighing 40kg makes a high jump of 1.5m.