*Question*
Q: What also happens when people feel anxious and breathe too fast? Read this paragraph and choose the correct option from the provided answers: Sometimes people who are feeling anxious breathe too fast and become lightheaded. This is called hyperventilation. Hyperventilation can upset the pH balance of the blood, resulting in blood that is too basic. Explain why. Choices: - they become pettite - they become hostile - they become elated - they become lightheaded A:
**Answer**
they become lightheaded

*Question*
Q: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what? Read this paragraph and choose the correct option from the provided answers: A scientist is always trying to find the truth and discover new truths. How can you think like a scientist? Thinking like a scientist is based on asking and answering questions. Though you may not know it, you do this all day long. Scientists ask questions, and then make detailed observations to try to ask more specific questions and develop a hypothesis . They may design and perform an experiment to try to answer their question and test their hypothesis. From the results of their experiment, scientists draw conclusions . A conclusion describes what the evidence tells the scientist. Choices: - Tests - suggests - theories - hypothesis A:
**Answer**
hypothesis

*Question*
Q: A boiler converts the chemical energy stored in fuel into what type of energy? Read this paragraph and choose the correct option from the provided answers: Water is heated in a boiler that burns a fuel such as natural gas or heating oil. The boiler converts the chemical energy stored in the fuel to thermal energy. Choices: - Thermometric Energy - ultraviolet energy - atmospheric energy - thermal energy A:
**Answer**
thermal energy

*Question*
Q: What causes continents to drift closer to the poles or the equator? Read this paragraph and choose the correct option from the provided answers: Plate movements cause continents to drift closer to the poles or the Equator. Ocean currents also shift when continents drift. All these changes can affect Earth's temperature. Choices: - wind - sediment movements - tidal pull - plate movements A:
**Answer**
plate movements