Q: What makes up most of the interior of a plant? Choices: - conjunction tissue - support tissue - transport tissue - ground tissue A:
ground tissue

Q: What a mixture of nitric acid and hydrochloric acid? Choices: - crystal regia - acidus regia - sulfate regia - aqua regia A:
aqua regia

Q: Q: What properties describe the existence of matter, as opposed to chemical properties that describe how substances change into other substances? Choices: - gravitational - astronomical - biological - physical A:
A: physical

Question: Q: What element is essential for amino acid and nucleic acid production? Choices: - oxygen - carbon - hydrogen - nitrogen A:
Answer: nitrogen

*Question*
Q: Alkaline earth metals are what color? Choices: - white - black - reddish orange - silvery grey A:
**Answer**
silvery grey

*Question*
Q: What does fluorine attract better than any other element? Choices: - ionic bonds - electron shells - magnets - shared electrons A:
**Answer**
shared electrons