*Question*
Answer the following question given this paragraph: Some comets have periods of thousands or even millions of years. Most long-period comets come from a very distant region of the solar system. This region is called the Oort cloud. The Oort cloud is about 50,000100,000 times the distance from the Sun to Earth. 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*
Answer the following question given this paragraph: Given the mass and speed of an object, calculate its kinetic energy. 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*
Answer the following question given this paragraph: Terrestrial biomes , which are land-based, such as deserts and forests. Q: Deserts and forests are examples of what type of biome? Choices: - abundant - freshwater - acquatic - terrestrial A:
**Answer**
terrestrial

*Question*
Answer the following question given this paragraph: Excretion is the process of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Although the kidneys are the main organs of excretion, several other organs also excrete wastes. They include the large intestine, liver, skin, and lungs. All of these organs of excretion, along with the kidneys, make up the excretory system . The roles of the excretory organs other than the kidney are summarized below:. Q: What is the process of removing wastes and excess water from the body called? Choices: - inspiration - ingestion - diffusion - excretion A:
**Answer**
excretion