Q: Mirrors and lenses are used in optical instruments to reflect and refract what? Choices: - gravity - mass - electricity - light A:
light

Q: What term is used to describe major changes in the genetic material? Choices: - generational alterations - eukaryotic alterations - mutational alterations - chromosomal alterations A:
chromosomal alterations

Q: Q: What type of compounds make up the cells and tissues of organisms? Choices: - hormonal compounds - productive compounds - organic compounds - biochemical compounds A:
A: biochemical compounds

Question: Q: Beaches and deserts collect large deposits of what? Choices: - animals - plants - water - sand A:
Answer: sand

*Question*
Q: What kind of a reaction occurs when a substance reacts quickly with oxygen? Choices: - invention reaction - Fluid Reaction - nitrogen reaction - combustion reaction A:
**Answer**
combustion reaction

(Question)
Q: How do plants obtain their energy? Choices: - glycolysis - Sugar Transfer - HETEROTROPHS - photosynthesis A:
(Answer)
photosynthesis