<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
</span>
Answer:
The definition of a pure line is a result of inbreeding where animals or plants have certain characteristics that are the same through generations. An example of a pure line is the result of inbreeding of a certain flower to help it fight off diseases.
Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens.
Answer:
B. Fossil
Explanation:
According to National Geographic, "Fossils are the preserved remains, or traces of remains, of ancient organisms." When you find the impression of a leaf, the leaf imprint is the preserved remains of the leaf.
Based on the Scenario, the process is described as Mitosis
During this process , chromosomes in a cell nucleus will be separated into two identical set of chromosomes (which make it four) and will end up in their own nucleus
hope this helps