*Question*
Q: What supports life, and is also needed for the water cycle and weather? Choices: - fossil fuels - oxygen - greenhouse gas - atmosphere A:
**Answer**
atmosphere

*Question*
Q: What is the gland in the chest behind the breast bone that stores some types of lymphocytes while they mature? Choices: - Montgomery - lumbar - pineal - thymus A:
**Answer**
thymus

*Question*
Q: What effect, related to weather forecasting, occurs not only for sound but for any wave when there is relative motion between the observer and the source? Choices: - pulse - echo - precipitation - doppler A:
**Answer**
doppler

*Question*
Q: What is another term for joules per second? Choices: - jiffies - jacobs - parsons - watts A:
**Answer**
watts