Answer: A. quality of life
Answer:
<em>Antibodies</em><em> </em><em>are</em><em> </em><em>produced</em><em> </em><em>by</em><em> </em><em>lymphocytes</em><em> </em><em>since</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>part</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>immune</em><em> </em><em>system</em><em> </em>
Answer:
The answer is A.
Explanation:
The answer is A. Scientists now studying from approximately 66 million years ago in the prehistoric era say that all of the dinosaurs died when the colossal asteroid impacted all of them. This is what started the cretaceous era.
Here you go! I tried my best with explaining my answer.
They go on the first level of the pyramid!! Hope that this helped
