An element is a pure substance that cannot be separated or divided into simpler substances by any method (physical or chemical). The four common elements in all the living organisms are carbon, oxygen, hydrogen, nitrogen.
Thus, the four elements that make up about 96 % of body matter are carbon, oxygen, hydrogen, nitrogen (c).
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Answer:
Explanation:
6. Where on the graph does adding heat energy NOT raise the temperature?
What is the heat energy DOING if it's not raising the temperature? :its being compressed I believe its vaporizing
7. What is temperature A called? Freezing
8. What is temperature B called? Vaporizing
Acids: taste sour, has a pH less than 7
bases: tastes bitter, has a pH greater than 7
%C= 12/12 + 2·16=0,273=27,3%.
