C) all of the kingdoms either are always or sometimes autotrophs (make their own food) which perform photosynthesis
The answer is the short-term memory. It is the ability to recall and remember the small memories for a short period. According to Atkinson-Shiffrin, it can only last for 15 to 30 seconds. The longer the input of data to the memory the shorter time it stays, this was explained by Peterson and Peterson.
Source: https://www.simplypsychology.org/short-term-memory.html
To calculate the mass of a single atom, you would need to add up the protons and neutrons of a single atom.
true, because it is called rotation on google
