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Generally, the Earth is divided into spheres which include the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). The earth is divided into three layers based on chemical composition and these are the core, mantle and crust. In addition, the earth is also divided into physical properties which include lithosphere, athenosphere, mesosphere, outer core and inner core. Based on the given details, we can conclude that the atmosphere cannot be part of the lithosphere but instead, it is classified in a separate layer. The lithosphere only consists the outermost, rigid part of the Earth, which are the crust and the mantle. Hope this answer helps.

Mexico and the Caribbean Islands share some common traits, but also have numerous differences.

Explanation:

Mexico and the Caribbean Islands share a lot of history together, mostly from the colonization period. The Spanish influence is evident in Mexico, but also in some parts of the Caribbean. On the other hand, unlike Mexico that was dominated just by Spain, the Caribbean Islands had numerous other influences, such as British, French, and Dutch, leading to larger diversity. The ethnic and racial composition is also different, wherein Mexico is the Mestizo and White populations that dominate, in the Caribbean, there is a much larger Black population.

Geographically, Mexico is much larger than all of the Caribbean Islands combined. Even though there are thousands of islands in the Caribbean, they actually have mucb less diversity in their landscape than Mexico does, with pretty much all of them having a central volcano (be it active or not) and small, thin areas of lowlands along the coastlines. Climate wise, Mexico is again much more diverse, having tropical wet, tropical wet and dry, tropical dry, highland climates, while all of the Caribbean Islands have a tropical wet climate.