Q: What do they call 2,2,4-trimethylpentane in the gasoline industry? Choices: - spirogyra - methane - xerophyte - isooctane A:
isooctane

Q: What make distant objects appear both nearer and larger? Choices: - astrolabes - mirrors - lasers - telescopes A:
telescopes

Q: Q: At the bottom of lakes and ponds, bacteria in what zone break down dead organisms that sink there? Choices: - photic - photoreactive zone - trophic - aphotic zone A:
A: aphotic zone

Question: Q: What occurs when some members of a species become geographically separated? Choices: - divergent speciation - symbiotic speciation - reflective speciation - allopatric speciation A:
Answer: allopatric speciation

*Question*
Q: What plant products may be classified as simple, aggregate, multiple, or accessory, depending on their origin? Choices: - flowers - pods - leaves - fruits A:
**Answer**
fruits

*Question*
Q: Particles of sand and what other substance are carried by longshore drift? Choices: - magma - bone - soil - rock A:
**Answer**
rock