Q: Whether focused on ancient life, the life of bacteria, or how humans could live on the moon, four unifying principles form the basis of what branch of science? Choices: - electronics - chemistry - geology - biology A:
biology

Q: What celestial bodies are classified by color and temperature, ranging from blue to red and hottest to coolest? Choices: - astroids - planets - galaxies - stars A:
stars

Q: Q: Lava that enters the water is called what? Choices: - lava flow - magma runoff - saltwater lava - pillow lava A:
A: pillow lava

Question: Q: What does the cell cycle do? Choices: - only divide cells - create new cells - only reproduce cells - divide and reproduce cells A:
Answer: divide and reproduce cells

*Question*
Q: What term refers to the friction of fluid, within itself and its surroundings? Choices: - elasticity - volume - salinity - viscosity A:
**Answer**
viscosity

(Q).
Q: Hydrogen chloride contains one atom of hydrogen and one atom of what? Choices: - magnesium - calcium - nitrogen - chlorine A:
(A).
chlorine