<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
</span></span>
I believe its D. Japan adopted a new constitution and democratic government.
The given statement is false.
Option: B
<u>Explanation:</u>
In cyber issues, there is always a risk of being misused by hackers. Users first need to keep secret of his password for different sites and should not use same password for different sites. Configuration of firewall should be proper so that IP (Internet protocol) address can be protected.
Properly configured firewall prevents suspicious attack and gives notice to the user and administrator about it. Where administrator is using biometric access mechanism they are being able to control attacker's unauthorized accession into the network.
They are called the "control group"
