(Question)
Answer the following question given this paragraph: Found as a pure element in nature; oxides decompose with heating. Q: What causes oxides to decompose? Choices: - humidity - acidity - precipitation - heat A:
(Answer)
heat

(Question)
Answer the following question given this paragraph: Earth goes through regular changes in its position relative to the Sun. Its orbit changes slightly. Earth also wobbles on its axis of rotation. The planet also changes the tilt on its axis. These changes can affect Earth's temperature. Q: Earth goes through regular changes in its position relative to? Choices: - the moon - saturn - mars - the sun A:
(Answer)
the sun

(Question)
Answer the following question given this paragraph: Weight is a measure of the force of gravity pulling down on an object. Buoyant force pushes up on an object. Weight and buoyant force together determine whether an object sinks or floats. This is illustrated in Figure below . Q: What is the measure of the force of gravity pulling down on an object called? Choices: - factor - mass - volume - weight A:
(Answer)
weight