input: OPTIONS:
- pollution
- oxygen
- disease
- algae Now, answer this question: Q: What do tadpoles clear out of waterways? A:
A:
output: algae

Q: The biological electron transport chain provides for an orderly, stepwise transfer of electrons. both nadh (reduced nicotinamide adenine dinucleotide) and fadh2 (reduced flavin adenine dinucleotide) are energy rich molecules that liberate a large amount of energy during what? A:

OPTIONS:
- extrapolation
- conduction
- evaporation
- oxidation

Answer: oxidation

Problem: OPTIONS:
- microscope
- diameter
- focal point
- specimen
Q: Q: While the numerical aperture can be used to compare resolutions of various objectives, it does not indicate how far the lens could be from the what? A:
Answer: specimen

Problem:OPTIONS:
- spirogyra
- methane
- xerophyte
- isooctane

Q: What do they call 2,2,4-trimethylpentane in the gasoline industry? A:
****
A: isooctane

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

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

Answer:
rock