Q: The acidity of a solution is typically assessed experimentally by measurement of its what? Choices: - mass - density - color - ph A:
ph

(Question)
Q: It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before? Choices: - termperature - concentrations - energy - mass A:
(Answer)
mass

Ques: Q: What element is released into the atmosphere by the burning of fossil fuels? Choices: - carbon - helium - oxygen - sulfur A:
Ans: sulfur

(Q).
Q: The reverse process of moving material into a cell is the process of what? Choices: - endocytosis - proteolysis - osmosis - exocytosis A:
(A).
exocytosis

Ques:Q: With a shape that specially suits its function of sending nerve signals to other cells, the human nerve cell is an example of what? Choices: - adaptation - maturation - evolution - specialization A:

Ans:specialization

Ques: Q: What type of reactions are chemical reactions that release energy? Choices: - sulfuric reactions - biochemical reactions - ozonic reactions - exothermic reactions A:
Ans:
exothermic reactions