Answer: (A) Surveys are generally cheaper to conduct.
Explanation:
Both surveys and experiments are valid means to scientifically establish data about groups of people and how the way specific variables influence them. A survey examines the way a variable we have no control over has affected, for example, a group of people. In an experiment, one of the variables is manipulated while the other one is measured.
Surveys are comparatively inexpensive, especially if they are online surveys, and even if incentives are provided to participants.
Answer:
its genetic diversity is very low.
Explanation:
One characteristic that distinguishes a population in an extinction vortex from most other populations is that ITS GENETIC DIVERSITY IS VERY LOW.
Answer:
Ravine is a synonym of canyon. is that ravine is a deep narrow valley or gorge in the earth's surface worn by running water while canyon is a valley, especially a long, narrow, steep valley, cut in rock by a river. A deep narrow valley or gorge in the earth's surface worn by running water.
Explanation:
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Answer: District committee takes action for the welfare of district of any state. Depending upon the number of districts each state may have many district committees to look upon the welfare.
Explanation:
The following are the conditions in which the positions of the members of the district coordination committee remains vacant:
1. The member have left the committee or had given resignation.
2. No elections have been conducted for new appointment.
3. The member have been suspended from the post.
4. The member had taken long leave due to health or other issues.
5. The time the member left the committee to the time of election had a long span.
