Problem: OPTIONS:
- succinct
- inherited
- occuring
- extinct
Q: Q: Species of organisms that have permanently died out can also be called what? A:
Answer: extinct

Problem:OPTIONS:
- hydrochloric acid
- sulfuric acid
- citric acid
- benzoic acid

Q: What type of acid is often used as a preservative for acidic foods such as fruit juices? A:
****
A: benzoic acid

Q: What was the first antiseptic called? A:
OPTIONS:
- acid
- gasoline
- chlorine
- phenol
phenol

Q: Oysters require a certain minimum population density because they must be in close proximity to do this? A:
OPTIONS:
- multiply
- replicate
- feed
- reproduce

Answer: reproduce

Question: Q: What is it called when you touch a charged object to the earth? A:
OPTIONS:
- cooling
- charging
- dispersion
- grounding
Answer: grounding

input: OPTIONS:
- covalent bond
- van der waals force
- hydrogen bond
- an ionic bond Now, answer this question: Q: What forms when the metal sodium gives up an electron to the nonmetal chlorine? A:
A:
output:
an ionic bond