Q: What is the term for the breakdown of unstable isotopes into stable elements? Choices: - isotopic decay - radioactive decrease - secondary decay - radioactive decay A:
radioactive decay

Q: What is an ionic compound that produces negative hydroxide ions when dissolved in water Choices: - catalyst - acid - isomer - base A:
base

Q: Q: To solubilize the fats so that they can be absorbed, what organ secretes a fluid called bile into the small intestine? Choices: - small intestine - stomach - spleen - gall bladder A:
A: gall bladder

Question: Q: A comet striking the earth may have caused mass extinction, this would have decreased sunlight, which would have effected what plant process reducing food? Choices: - fertilization - decomposition - glycolysis - photosynthesis A:
Answer: photosynthesis

*Question*
Q: New seafloor forms when what object cools? Choices: - ash - debris - rain - lava A:
**Answer**
lava

Q: Where is multiple fission more often observed? Choices: - among multi-celled organisms - among animals - among vertebrates - among protists A:
among protists