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your answer is A
</span>Auxins hormones are used <span>used to </span><span>prevent premature fruit drop, so Ronald should spray the trees with this solution.
On the other hand, abscisic acid stimulated slows the </span>plant growth .
<span>Lateral roots that extend out are called called tap roots.
The first root which develops from a radicle and becomes dominant is called a taproot. Roots that develop from other roots are generally termed as lateral roots; >Roots that arise from other plant organs rather than the root, are called adventitious roots.</span>