<span>Caucasus Mountains separates Georgia from </span>Russia<span />
The answer is <u>C; biosphere and lithosphere</u>.
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Hello!
In order for an animal to be a vertebrate, it must have a backbone. As can clearly be seen in any image of a sponge, it is a highly asymmetrical simple animal and does not have a backbone. Therefore, a breadcrumb sponge is not a vertebrate, or is an invertebrate.
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1884 and 1914
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