Q: What type of device uses electromagnetic induction to change the voltage of electric current? Choices: - radioactive transformer - hot transformer - mechanical transformer - electronic transformer A:
electronic transformer

Q: What attracts the earth to the sun? Choices: - weight - light - the moon - gravity A:
gravity

Q: Q: What is a spectrometer able to produce from starlight? Choices: - radio waves - exposure - aspect - spectrum A:
A: spectrum

Question: Q: Which disease afflicts children who don't get enough calcium during their bone formation stage? Choices: - sids - rabies - cancer - rickets A:
Answer: rickets

*Question*
Q: The structure of the gas carbon dioxide consists of one atom of carbon and two atoms of what? Choices: - sulfur - methane - Helium - oxygen A:
**Answer**
oxygen

(Q).
Q: What organism constitutes frothy green "pond scum"? Choices: - bacteria - sponges - protozoa - algae A:
(A).
algae