What was Norway's rank in 2016 Human Development Index published by the United Nations Development Programme?
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________ is not a storage device.
________ perform Internet Protocol blocking to protect networks from unauthorized access.
Why is weightlessness experienced while orbiting the earth in space ships ?
The pitch of a sound depends on its ____.
Which of the following is NOT a metamorphic rock?
__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.
The salt concentration (measured as salinity in parts per thousand), is less than ______ % in inland waters.