Answer:
D.Reverse Osmosis the answer
Answer:
the answer is a and b for this one
Explanation:
Yes, the president is the one who declared national emergencies when there are many more people who are higher qualified to do this.
Answer:
Screener
Explanation:
A screener is a series of qualifying questions to determine if the respondent fits specific criteria to participate in a research study. The screener helps the interviewer get his/her target audience and it's a vital step in carrying out survey as it ensures data validity and credibility. The question, " Have you been snow skying in the past year" asked by the interviewer is a screening question.
The New age when people learned how to farm
Actually its the New Stone Age.
