The main crops are beans, sesame, cashews nuts, cassava, cocoa beans, ground nuts, gum arabic, kola nut, maize or corn, melon, millet, palm kernals, palm oils, rice, plantains, rubber,soybeans, sorghum and yams.
Answer:
Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.
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Answer:
C, the relative color
Explanation:
Color indicates the composition of a rock or mineral. A felsic composition is indicated by light colors such as white or pink. Intermediate rocks or minerals have a medium color such as gray or an equal part of dark and light colored minerals . Mafic or ultramafic rocks or minerals are dark colored such as black or brown however they might also contain light colored minerals within them.
Answer:
The type of rock or how old it is
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Answer:
placement of title, and placement of bibilographic information
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