Answer:
A(n) ____ is an approximate representation or simulation of a system?
A(n) <em><u>Model</u></em>____ is an approximate representation or simulation of a system.
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A nonrenewable resource is when you use something once, it cannot be used again, natural gases is an example.
Using this information, C. Coal is your answer.
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False
Proteins are polymers of molecules called amino acids, some contain thousands. Lipids are formed when a glycerol molecule combines with compounds called fatty acids, therefore they are not polymers because they contain one molecule and are not macromolecules. Hope this helps! :)
The correct answer is option A, that is, Phylum Porifera.
The species of Phylum Porifera are aquatic, that is, mostly marine. They exhibit cellular grade of the body, they are diploblastic animals with asymmetrical symmetry. They lack body cavity and exhibits a holozoic mode of nutrition with intracellular digestion.
They lack circulatory and nervous system and possess the tendency to regenerate their parts of the body. The organisms in phylum Porifera exhibits both asexual and sexual mode of reproduction.
Answer:
what scenario, nothing is there
