Which of the Following Is Considered by Scientists to Be

question 76

Multiple Choice

Which of the following is considered by scientists to be physically "real," but yet is not made of atoms or of other material particles such as protons, electrons, etc.?

• A) neutron stars
• B) the ether
• C) electromagnetic fields
• D) the air
• E) Nonsense-- we have known since Democritus that everything is made only of atoms and empty space.

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Definitions:

Internet Access

The ability of individuals and organizations to connect to the Internet using computers, smartphones, and other devices.

Hotspot

A physical location where people can access the internet, usually wirelessly, via a WLAN with a router connected to an internet service provider.

Cellular Card

Used to connect a laptop to a cell phone network.

Cell Phone Network

A cell phone network is a wireless telecommunications network that allows mobile phone users to connect to the public switched telephone network and the internet.