Answer:
The correct answer is manifest, latent.
Explanation:
Manifest functions refer to the consequences that people tend to observe or even expect. For example, in the given scenario it is mentioned that following famous activists, academics, and politicians on Twitter can influence the public opinion. Here the followers just observe the actions and ideas of the personalities they follow and nothing more. Therefore, it will be an example of manifest function.
Latent function refers to the situations which are rather unintentional. For example, the question mentions that some classmates become more close while reading and exchanging tweets. There is no intention of friendship involved so it will be an example of latent example.
Nightmares-awaken during REM sleep, occur during any sleep stages, increase in times of high stress
night terrors-sudden arousal from sleep and intense fear, occur during stage 4, physiological reactions include rapid heart rate, screaming, sweating, causes from stress in life, fever, and sleep deprivation, and treatment is sleeping in routine sleep and wake times and in a safe environment
It examines the interactions between political processes and human use of the earth.