If vapor can form into liquid, then what can form from vapor? Answer choices: - heat - nicotine - liquid - water - glycogen - ice - fire - a prism
liquid

If using radioactive gamma ray sources, existing microorganisms in food can be killed, then using radioactive gamma ray sources, existing microorganisms in food can be what? Answer choices: - killed - cancer - organisms - tiny - dangerous - extended - colored - resized
killed

Q: If hPV is recognized as foreign to the body by the immune system, then what is recognized as foreign to the body by the immune system? Answer choices: - h2o - HIV - SNPs - blood - organs - p53 - DDT - HPV
A: HPV

Question: If sinkholes can be formed by snow, then sinkholes can be formed by? Answer choices: - rivers - snow - magma - sun - storms - rain - wind - fronts
Answer: snow

*Question*
If blowing air into an ocarina causes air to vibrate inside the ocarina, then what happens to the air inside an ocarina when you blow into it? Answer choices: - It expands - evaporation - moves - waves - Temperature - vibrates - It decreases - friction
**Answer**
vibrates

(Q).
If carbon might be stored in limestone, then what might be stored in limestone? Answer choices: - carbonated water - chemicals - cigars - candles - Energy. - carbon - Energy - fossils
(A).
carbon