A(n) consists of atoms that have a specific number of protons in their nuclei. ion
isotope
element
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The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Which material burns faster? metal aluminum