Space-based satellites
Advantages:
• difficult to shoot down
• HD resolution pictures
• safe
• cost effective
Disadvantages
• hard to maintain
• unreliable at times (signal interference)
SR-71 blackbird
Advantages
• high quality imagery (can be infrared)
• demand-based usability
• high propagation delay
Disadvantages
• costly
• demand-based usability
• less safer
b the number of traders and foreigners coming to egypt
Answer:
Rekava Lester James Peiris 1956
Explanation:
Answer:
D. Information, comprehension, voluntariness.
Explanation:
The Belmont report was created issued on 30 September 1978. It was published in the federal register 18th April 1979 by National Commission for the Protection of Human Subjects of Biomedical and Behavioural Research.
It talks about various guidelines and principles for research that involves human subjects. The core principles identified in the report are Justice, beneficence and respect for persons, and the three areas of application are selection of risks and benefit, informed consent and selection of subjects.
<em> It explained the informed consent as an important part of respect for all persons, informed consent means that all the subjects should be given opportunity to decide what shall and shall not happen to them,</em>