The two main items that are traded in Ghana are gold and salt. The correct answer is A.
Answer:
Used cross breeding to purposely breed plants. Studied a variety of pea plant traits. studied several generations of pea plants.
Explanation:
Answer:
a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base (Figure 9.3). So the third option.
The answer is Echinoderms.
According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.