Answer:
When scientist find new species that may have to change classification systems in order to accommodate them. DNA sequencing has also let us find out more about evolutionary relationships. The more recent the common ancestor, the more closely related the two species are.
Explanation:
The formula is SrCl2. hope this helps
Answer:
A) The catalyzed reaction passes through C.
Explanation:
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<span>B.They have the same number of valence electrons. </span>