Answer:
The WiFi the phone and the Computer
If I didn't have those I would be uncomfortable and sources of communication online would differ, as well as online learning cause of coro
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-Yeets rubber chicken-
Hypertonic solution, such as increased salt (NaCl) from diet, or from hyperglycemia as in uncontrolled diabetes.
We need to have sunlight because without it you wouldn’t be able to make anything else