Answer:
by diseases of mosquitos and sickness like chicken pocks
Explanation:
bevause of mosquitos a lot of people died of malaria and for chicken pocks they didn't have a medicine for it and many people died for this.
Answer:
port chester schools suffer from overcrowding because so many child immigrants overpopulate the education system.
Answer:
Random assignment;
Random selection
Explanation:
Random assignment is a technique for placing subject into the different groups so that the characterstics of the sample can be equally distributed while Random Selection is how we select individuals from the population to participate in study.
Our verbal and nonverbal COMMUNICATION provides clues to our attitude on a given topic.
Spoken or verbal communication can be done through face-to-face communication, through the use of telephones, mobile phones, radio or television and other media.
Non-verbal communication refer to our body language, our gestures, and even how we dress and act.
Other forms of communication are written communication and visualizations.
Answer:
This is an example of an experimental design.
Explanation:
Experimental design in research involves controlling the variables in order to prove the hypothesis. In an experimental design there must be an experimental group, that in this case is the group that received an herbal supplement, and a control group, that was only administered placebo. By having a control group, both groups can be measured and compared at the end of the experimental phase, to measure the influence of the independent variable.
