*Question*
Q: What is the name of the cloud where most long-period comets come from? Choices: - stellar cloud - bulge cloud - volt cloud - oort cloud A:
**Answer**
oort cloud

*Question*
Q: What can be calculated given the mass and speed of an object? Choices: - harmonic energy - residual energy - systematic energy - kinetic energy A:
**Answer**
kinetic energy

*Question*
Q: Deserts and forests are examples of what type of biome? Choices: - abundant - freshwater - acquatic - terrestrial A:
**Answer**
terrestrial

*Question*
Q: What is the process of removing wastes and excess water from the body called? Choices: - inspiration - ingestion - diffusion - excretion A:
**Answer**
excretion