Answer:
Topographic maps have contour lines that connect points of identical elevation above sea level. Contour lines run next to each other. Adjacent contour lines are separated by a constant difference in elevation, usually noted on the map. Topographic maps have a horizontal scale to indicate horizontal distances.
The answer you are looking for is "<span>a. elements of ecosystems are mutually dependent on each other ".</span>
This is the only one I know
What is the dominant language of sub-Saharan Africa?
<span>Three of the six dominant languages in Subsaharan Africa—spoken by at least ten million people or more—are spoken in Nigeria: Hausa, Yoruba, and Ibo. The three remaining major languages of Subsaharan Africa are Swahili, Lingala, and Zulu.</span>
