Q: What organs are the main organs of the urinary system? Choices: - spleen - prostate - gall bladder - kidneys A:
kidneys

Q: Human actions such as plowing, logging, construction and other actions contribute to what kind of erosion? Choices: - weathering - flooding - wind erosion - soil erosion A:
soil erosion

Q: Q: Some atoms are more stable when they gain or lose an electron and form what? Choices: - molecules - electrons - protons - ions A:
A: ions

Question: Q: In a scientific experiment, the variable that is affected by the other one is called what? Choices: - effective variable - essential variable - independent variable - dependent variable A:
Answer: dependent variable

*Question*
Q: What fluid is most prevalent in your body? Choices: - cold - liquid - Coolant - water A:
**Answer**
water

Q: What atoms make up a water molecule? Choices: - alumhg and oxygen - One Hydrogen - Sodium and Oxygen - hydrogen and oxygen A:
hydrogen and oxygen