Q: Solid balls of water and dust falling from the sky are known as? Choices: - snow - golf balls - rain - hail A:
hail

Q: What is a small protein that helps fight infections? Choices: - phenotype - zygote - glutamate - cytokine A:
cytokine

Q: Q: The changing of a light ray's direction (loosely called bending) when it passes through variations in matter is called this? Choices: - wavelength - resonance - vibration - refraction A:
A: refraction

Question: Q: Stress building up at the same rate over time at a fault causes what phenomenon? Choices: - erosion - volcanoes - storms - earthquakes A:
Answer: earthquakes

*Question*
Q: Pressure relationships inspiration (or inhalation) and expiration (or exhalation) are dependent on the differences in pressure between the atmosphere and these? Choices: - salts - enzymes - bones - lungs A:
**Answer**
lungs

Q: Q: The uranium series is a chain constituting one what, which encompass naturally occurring isotopes of the heaviest elements? Choices: - nuclear decay family - gland decay family - fuel decay family - radioactive decay family A:
A: radioactive decay family