Q: What happens when alkanes are mixed with oxygen at room temperature? A:

OPTIONS:
- single replacement
- redox
- combustion
- no reaction

Answer: no reaction

Problem: OPTIONS:
- watt
- rads
- decibel
- hertz
Q: Q: The frequency of sound waves is measured in what unit? A:
Answer: hertz

Problem:OPTIONS:
- aerial species
- amphibious species
- terrestrial species
- aquatic species

Q: Overharvesting is a serious threat particularly to which species? A:
****
A: aquatic species

Q: An atom that gains or loses electrons is called what? A:
OPTIONS:
- photon
- quark
- isotope
- ion
ion

Q: What is the term for a symbiotic relationship in which the parasite benefits while the host is harmed? A:
OPTIONS:
- infection
- reciprocity
- pathology
- parasitism

Answer: parasitism

input with options: Q: What often involves the loss of hydrogen, the gain of oxygen, or the loss of electrons? A:
OPTIONS:
- decomposition
- precipitation
- carbonation
- oxidation
output:
oxidation