I believe earthquakes and lava flows <span />
<em><u>Observation and survey research </u></em>
The two main approaches used in primary marketing research are _____
NOT:
Longitudinal and historical research
Private and public research
<span>The economic and empirical approaches</span>
Answer: Los distintos órganos linfoides están interconectados por vasos sanguíneos y vasos linfáticos, de modo que se constituye un sistema unitario, entrelazado y bien comunicado. Estos vasos transportan células del sistema inmune, de las cuales el tipo central es el linfocito.
Explanation:
Brainly
I’m pretty sure the answer is the third choice
I think the correct answer from the choices listed above is option C. The substitution, addition, or removal of a single nucleotide in DNA is called a point mutation. It is a type of mutation that affects only one or very few nucleotides in a gene sequence.