Weegy: The first one holds 2 the second one holds 8 and the third one holds 18 ... the K major shell can hold 2 electrons. How many electrons does can a K shell of an atom hold
User: Many living organisms respond to things in the environment called _____.
A.life
B.observations
C.stimuli
D.obstacles
Weegy: Many living organisms respond to things in the environment called C. stimuli.
User: The basic building block of life is _____.
A.the cell
B.the atom
C.the organelle
D.DNA
Weegy: The basic building block of life is _____. A.the cell
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