If a chemistry student is given a molecular formula of a molecule, she or he can easily and readily identify if it is compound by checking the bond either a covalent bond or ionic bond. Check the items of each element since elements in a compound are in fixed ratio, she or he can easily identify.
Plant parts are flattened and at least some of the original plant material remains. Leaves are often preserved as compressions.
D. Understand your personal heritage and it's basis in cultural values
D is the answer! I just had this question and it was right !