Answer:
<em>Auxin</em>
<em>gibberellins or gibberellic acids</em>
<em>cytokinins</em>
<em>ethylene</em>
Its either a or d
a because if someone takes a photo of the wings they could see how the wings work
or
d because then the person could see the colors in the pictures
A. Amber, because in the Prehistoric times the insects and small dinosaurs fell into amber and became preserved in the hardened sap.
