Answer:
a. human; obtaining informed consent
Explanation:
Any research that involves the participation of human subjects follows strict guidelines so that the study may not end up in harm effects. For such research involving human subject, informed consent is obtained from the humans. Such informed consent must be true whereby participants reveal actions, emotions and behaviors through the research questions. Sometimes deception is used by researchers by misleading participants with the purpose of keeping the feasibility the research, but there is a limit to it so that no harmful effect on participants borne out of deception could be realized. In research where deception is used, human participants must get the outline of the conclusion which must be true based on honest information. This is informed consent.
Answer: motor activity
Explanation:
The independent and dependent variables are the main elements in an experiment. The independent variable is the controlled one that is modified to examine the consequences on the dependent variable, which is the one being measured through a scientific experiment.
In this example, the consumption of caffeine is the independent variable and the level of motor activity is the dependent variable.
The appropriate answer is 2. the Eastern Woodlands. Native Americans of the Eastern woodlands used slash and burn cultivation. Burning the vegetation on spot made the soil fertile and ready for planting. This method however had its drawbacks and the soil lost fertility after 2-3 years and the process was repeated in another area. Thy also build long houses which was large enough to house several families.
The answer should be B and C. Greece was rebuilt after devastation and famine caused by Alexander the Great's death and war between city-states in Egypt broke out.
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