Answer:
Birch tree leaves look like scratchy raindrops, like someone tore tiny pieces (Serrated) from them. The venation looks like a tree, a bunch of veins duplicating from only 1 .
Some oak tree leaves have serrated leaves or are completely smooth. Their venation look Dichotomous.
Pine tree leaves look undulate and the venation is pinnate.
The correct answer is option B. Purkinje fibers.
The Purkinje Fibers are responsible for the conduction of the electrical impulses in the heart muscles. They carry the contraction impulses from both right and left bundle branch to the myocardium of ventricles. They response to the electrical discharge, which takes place in the SA (Sinoatrial) Nodes.
You can make a roof out of bamboo, which is renewable and durable.
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