Are composed tiny particles called Atoms. Which are composed of neutrons, protons and electrons.
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Mobile switching station
The mobile switching station is
the most important part of any cellular network. It is associated with communications
functions such as call set-up, release, and routing, locating cellular devices,
assigning frequencies and transmitting signals to the correct sites. It also provides
useful information such as user registration required to support mobile service
subscribers.
Can migrate hundreds of kilometres each summer
Answer:
B
Explanation:
The experimental drug has a direct effect on the dependent variable which is the presence of the headache.
