Either C or A not 100% sure
Answer: Informed consent from participants
Explanation:
Informed consent is defined as the acknowledgment and permission that is provided to the participant of any research experiment for letting them know about possible consequences of it. Participants get to know about risk and advantages that is involved in study .
According to the question,if researcher find individuals for interview, he/she should ask their permission and inform about subject,possible result and risk of the research to gain informed consent from all the participants.
The Funerary Mask of Mycenae was discovered by Henrich Schliemann and is believed to be the funerary mask of Agamemnon, the leader of the Achaeans during the war against Troy, depicted in Homer's Epic the Iliad.
Answer: 3. variable ratio
Options:
1. fixed interval
2. fixed ratio
3. variable ratio
4. variable interval
Explanation: The variable ratio of reinforcement uses rewards to create a high and steady rate of response. The rate of reward for a target behavior is unpredictable so the rat does not know when its response will get a reward. It will keep responding until the reward is delivered.
The options listed above are schedules of reinforcement. They are schedules used in rewarding target behavior in Operant conditioning.
I believe it’s to bring oxygen into the body and to remove carbon dioxide from the body