2. Process to test hypotheses
Chemical energy usage in the human brain..
Nervous always passed electricals stimulation of in the brain
Reason*
waters from natural sources contain minerals. these minerals can either be basic or acidic, thus changing the pH of water accordingly.
The correct option is D. electrons.
<span>Two or more atoms can be together if they share electrons with each other.</span><span>
By sharing, they form a covalent bond and that way the atoms can be stable.
The electrons being shared are</span>valence electrons and this <span>allows the atoms to fill their outer levels.</span>
Hiiiio! There is no pictures of the question is referring to
