Q: Organisms that live in freshwater environments often possess a contractile vacuole that prevents cells from taking in too much water through what process?    Choices:  - electrolysis  - glycolysis  - hemostasis  - osmosis  A:
osmosis
Q: What kind of radiation is observed in honeycreeper birds?    Choices:  - spontaneous  - symbiotic  - destructive  - adaptive  A:
adaptive
Q: Q: The eardrum is part of what part of the ear?    Choices:  - main  - thin  - inner  - outer  A:
A: outer
Question: Q: How do you add two dimensional vectors?    Choices:  - linearly  - graphically  - topologically  - geometrically  A:
Answer: geometrically
*Question*
Q: Exemplified by cesium, which ignites spontaneously in air, pure elements with a high metallic character tend to be very what?    Choices:  - radiactive  - inactive  - proactive  - reactive  A:
**Answer**
reactive
(Question)
Q: The explosion of nitroglycerin, which releases large volumes of gases, is what type of reaction?    Choices:  - energetic  - exponential  - endothermic  - exothermic  A:
(Answer)

exothermic