A The Atlantic because everything else is either heading or main ideas.
Because the northern portion is mostly desert, that is why
<span>D. Mount Saint Helens
</span><span>C. pyroclastic flows.
</span>
NOT:
A. Kilauea
B. Parícutin
<span>C. Himalayas
</span>
NOT:
<span>A. melting rocks.
B. rising magma.
D. pyroclastic deposits.</span><span>
</span>
The researchers were most concerned about External events.
<h3><u>Explanation: </u></h3>
Quasi-experimental designs are different from true experimental designs. They resemble the experimental research but it is not the real one. There are various types of quasi-experiment design, one of the important designs is the pretest and posttest design which is discussed in the above scenario.
The most likely reason for the experimental effect is based on selection bias. Self-fulfilling Prophecy & Instrument Decay might be the potential cause of the internal validity that is linked with the experiment done by the staff.
The answer is sociobiologists. It is field of logical review that depends on the speculation that social conduct has come about because of development and endeavors to look at and clarify social conduct inside that specific circumstance.