*Question*
Q: What is the name given to the use of controlled nuclear fusion as an energy source? Choices: - generator power - half-life - fossil fuel - thermonuclear power A:
**Answer**
thermonuclear power

*Question*
Q: The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body. Choices: - hydrogen and nutrients - acid and nutrients - fluid and nutrients - oxygen and nutrients A:
**Answer**
oxygen and nutrients

*Question*
Q: Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient? Choices: - reproduction - metabolism - photosynthesis - respiration A:
**Answer**
respiration

*Question*
Q: What is name for a piece of collagen-rich skin formed after the process of wound healing that differs from normal skin? Choices: - tissue - Sore - size - scar A:
**Answer**
scar