Answer:
theianswer to this is A. Matter
400 would be the lens power because you multiply them together
<span>Hello to answer your question fully.
<span>B.The amounts of carbon-14 and nitrogen in sedimentary rocks are measured.</span>
Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks.
Signed by, Expert Sargdog
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I believe they are both equally friendly. It all depends on size in my opinion. My friend owns a Shar Pei and it's his best friend.
The structures a virus can contain are
-nucleic acid
-envelope
-capsid