The answer is pesticides and it is b
Answer:
More than five hundred separate languages are spoken in Nigeria alone. 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
Im not understanding your question please rephrase
Answer:
Crust - mantle - liquid core - solid core
Explanation: