Q: What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system? Choices: - galaxies - comets - stars - meteorites A:
meteorites

Q: What does parasitic mean? Choices: - mutual benefit - welcome guest - symbiotic - lives in host A:
lives in host

Q: Q: Common among mammals and insects, pheromones are often related to what type of behavior? Choices: - aggressive - immune - cardiac - reproductive A:
A: reproductive

Question: Q: The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals? Choices: - fingers - claws - beaks - feathers A:
Answer: feathers

*Question*
Q: What is the name for the process of charging an object by touching it with another charged object? Choices: - charging by connection - charging by convection - charging by transfer - charging by conduction A:
**Answer**
charging by conduction

(Q).
Q: Water-soluble carboxylic acids ionize slightly in water to form these? Choices: - solvents - nonacidic solutions - very acidic solutions - moderately acidic solutions A:
(A).
moderately acidic solutions