Q: Iron will do what when it is exposed to oxygen and water? Choices: - become hot - expand - contract - rust A:
rust

Q: Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles? Choices: - duplicating synapses - beginning synapses - dual synapses - electrical synapses A:
electrical synapses

Q: Q: What part of the cell in plants and algae does photosynthesis take place? Choices: - mitochondria - fibers - cell wall - organelles A:
A: organelles

Question: Q: What device uses electromagnetic induction to change the voltage of electric current? Choices: - electric combustion - electric conductor - convection device - electric transformer A:
Answer: electric transformer

*Question*
Q: What is just below the cerebrum and coordinates body movements? Choices: - hypothalamus - bloodstream - spinal cord - cerebellum A:
**Answer**
cerebellum

Q: Q: Ash that enters the air naturally as a result of a volcano eruption is classified as what kind of pollutant? Choices: - thick pollutant - secondary pollutant - natural pollutant - primary pollutant A:
A: primary pollutant