Answer:
1. Telegraph. Developed in the 1830s and 1840s.
2. Telephone
. Developed in 1849.
3. Radio
. Developed in the 1890s
4. Computer
. Developed between 1833 and 1871.
5. Television
. Developed in 1927
6. Computer Metworking
. The TCP/IP protocol was developed in the 1970s, and in 1972
7. Internet
. Developed in 1983 but the online world became more recognized in 1990, when the World Wide Web was invented.
Answer:
Psychology- study of individual behavior
Sociology-study of society
Anthropology-study of man
Economics -study of man and his material needs
Epistemology-study of truth and knowledge
History- study of man's past
Political science-study of government
Philosophy- how we know what we know
Utopia-ideal society
Group-set of people with common interest.
Explanation:
Psychology is the science that studies human mind and behaviour. As such it was linked correctly to its definition above. Likewise we have matched other fields of knowledge to their respective definitions. Please follow answer in order.
Answer:
in adults 100-120 compression per minute
Explanation:
this will maximize cardiac output and provide adequate perfusion pressure
