Q: Batteries produce voltage through what type of reaction? Choices: - liquid - non-chemical - thermal - chemical A:
chemical

(Question)
Q: What is the process of a confined gas escaping through a tiny hole in its container called? Choices: - effluent - dissipation - dilution - effusion A:
(Answer)
effusion

Ques: Q: Along with changes in the shape of the resonant cavity, growth of what organ in pubescent boys leads to the difference in predominant frequencies in speech between men and women? Choices: - pharynx - trachea - esoophagus - larynx A:
Ans: larynx

(Q).
Q: Acids turn blue litmus paper which color? Choices: - grey - white - purple - red A:
(A).
red

Ques:Q: What type of map would show average temperatures and rainfall? Choices: - landscape map - rainfall map - carbon map - climate map A:

Ans:climate map

Ques:Q: Why does neptune's appearance change? Choices: - the seasons - the changing orbit - the speed of rotation - turbulent atmosphere A:

Ans:
turbulent atmosphere