Answer:
i think it is A=david D.porter
Explanation:
The Europeans in the Caribbean felt the need to bring in enslaved Africans as laborers because the native American Indian workers had become physically weak due to diseases and the Caribbean plantations were in requirement of stronger labor force. The Africans by birth were very strong and they as slaves would perfectly suit the needs of the Caribbean plantations.
The two discoveries that brought a revolution in early man's life are:
1) Agriculture - It helped the early man to produce its own food. this innovation made possible new flux of innovations and ideas the husbandry and domestication of all modern cattle and pets (except dogs), the formation of soldiers and wars, the money, the origin of religion, writing and all the very basis of modern life. Developing all these new outcomes would be impossible without the cooperation and organized structure of agricultural societies.
2) Language and paintings - Language helps them to communicate with each other and painting which they did at that time helped Historians today to know about their life, language, etc.
Sedimentary rocks form beneath the surface of the earth. 
Mummified fossils are commonly found in cold climates. 
<em>[ They are formed when remains are buried rapidly in dry cold or hot environments ]</em>